Remove unused module definitions in library stub

There are some module definitions which are implemented for the proof of
concept, but these modules are not in use now. This change removes
unused module definitions to reduce confusion.

Bug: N/A
Test: m nothing passed
Change-Id: I9b8efbc368436eaef66a4e6557006e87c0c27713
diff --git a/cc/library_stub.go b/cc/library_stub.go
index 2ebb6ef..1283d76 100644
--- a/cc/library_stub.go
+++ b/cc/library_stub.go
@@ -26,10 +26,6 @@
 func RegisterLibraryStubBuildComponents(ctx android.RegistrationContext) {
 	ctx.RegisterModuleType("cc_api_library", CcApiLibraryFactory)
 	ctx.RegisterModuleType("cc_api_headers", CcApiHeadersFactory)
-
-	// cc_api_stub_library shares a lot of ndk_library, and this will be refactored later
-	ctx.RegisterModuleType("cc_api_stub_library", CcApiStubLibraryFactory)
-	ctx.RegisterModuleType("cc_api_contribution", CcApiContributionFactory)
 }
 
 // 'cc_api_library' is a module type which is from the exported API surface
@@ -169,136 +165,3 @@
 	// Stub from API surface should be available for any APEX.
 	return true
 }
-
-func CcApiStubLibraryFactory() android.Module {
-	module, decorator := NewLibrary(android.DeviceSupported)
-	apiStubDecorator := &apiStubDecorator{
-		libraryDecorator: decorator,
-	}
-	apiStubDecorator.BuildOnlyShared()
-
-	module.compiler = apiStubDecorator
-	module.linker = apiStubDecorator
-	module.installer = nil
-	module.library = apiStubDecorator
-	module.Properties.HideFromMake = true // TODO: remove
-
-	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibBoth)
-	module.AddProperties(&module.Properties,
-		&apiStubDecorator.properties,
-		&apiStubDecorator.MutatedProperties,
-		&apiStubDecorator.apiStubLibraryProperties)
-	return module
-}
-
-type apiStubLiraryProperties struct {
-	Imported_includes []string `android:"path"`
-}
-
-type apiStubDecorator struct {
-	*libraryDecorator
-	properties               libraryProperties
-	apiStubLibraryProperties apiStubLiraryProperties
-}
-
-func (compiler *apiStubDecorator) stubsVersions(ctx android.BaseMutatorContext) []string {
-	firstVersion := String(compiler.properties.First_version)
-	return ndkLibraryVersions(ctx, android.ApiLevelOrPanic(ctx, firstVersion))
-}
-
-func (decorator *apiStubDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) Objects {
-	if decorator.stubsVersion() == "" {
-		decorator.setStubsVersion("current")
-	} // TODO: fix
-	symbolFile := String(decorator.properties.Symbol_file)
-	nativeAbiResult := parseNativeAbiDefinition(ctx, symbolFile,
-		android.ApiLevelOrPanic(ctx, decorator.stubsVersion()),
-		"")
-	return compileStubLibrary(ctx, flags, nativeAbiResult.stubSrc)
-}
-
-func (decorator *apiStubDecorator) link(ctx ModuleContext, flags Flags, deps PathDeps, objects Objects) android.Path {
-	decorator.reexportDirs(android.PathsForModuleSrc(ctx, decorator.apiStubLibraryProperties.Imported_includes)...)
-	return decorator.libraryDecorator.link(ctx, flags, deps, objects)
-}
-
-func init() {
-	pctx.HostBinToolVariable("gen_api_surface_build_files", "gen_api_surface_build_files")
-}
-
-type CcApiContribution struct {
-	android.ModuleBase
-	properties ccApiContributionProperties
-}
-
-type ccApiContributionProperties struct {
-	Symbol_file        *string `android:"path"`
-	First_version      *string
-	Export_include_dir *string
-}
-
-func CcApiContributionFactory() android.Module {
-	module := &CcApiContribution{}
-	module.AddProperties(&module.properties)
-	android.InitAndroidModule(module)
-	return module
-}
-
-// Do some simple validations
-// Majority of the build rules will be created in the ctx of the api surface this module contributes to
-func (contrib *CcApiContribution) GenerateAndroidBuildActions(ctx android.ModuleContext) {
-	if contrib.properties.Symbol_file == nil {
-		ctx.PropertyErrorf("symbol_file", "%v does not have symbol file", ctx.ModuleName())
-	}
-	if contrib.properties.First_version == nil {
-		ctx.PropertyErrorf("first_version", "%v does not have first_version for stub variants", ctx.ModuleName())
-	}
-}
-
-// Path is out/soong/.export/ but will be different in final multi-tree layout
-func outPathApiSurface(ctx android.ModuleContext, myModuleName string, pathComponent string) android.OutputPath {
-	return android.PathForOutput(ctx, ".export", ctx.ModuleName(), myModuleName, pathComponent)
-}
-
-func (contrib *CcApiContribution) CopyFilesWithTag(apiSurfaceContext android.ModuleContext) map[string]android.Paths {
-	// copy map.txt for now
-	// hardlinks cannot be created since nsjail creates a different mountpoint for out/
-	myDir := apiSurfaceContext.OtherModuleDir(contrib)
-	genMapTxt := outPathApiSurface(apiSurfaceContext, contrib.Name(), String(contrib.properties.Symbol_file))
-	apiSurfaceContext.Build(pctx, android.BuildParams{
-		Rule:        android.Cp,
-		Description: "import map.txt file",
-		Input:       android.PathForSource(apiSurfaceContext, myDir, String(contrib.properties.Symbol_file)),
-		Output:      genMapTxt,
-	})
-
-	outputs := make(map[string]android.Paths)
-	outputs["map"] = []android.Path{genMapTxt}
-
-	if contrib.properties.Export_include_dir != nil {
-		includeDir := android.PathForSource(apiSurfaceContext, myDir, String(contrib.properties.Export_include_dir))
-		outputs["export_include_dir"] = []android.Path{includeDir}
-	}
-	return outputs
-}
-
-var _ multitree.ApiContribution = (*CcApiContribution)(nil)
-
-/*
-func (contrib *CcApiContribution) GenerateBuildFiles(apiSurfaceContext android.ModuleContext) android.Paths {
-	genAndroidBp := outPathApiSurface(apiSurfaceContext, contrib.Name(), "Android.bp")
-
-	// generate Android.bp
-	apiSurfaceContext.Build(pctx, android.BuildParams{
-		Rule:        genApiSurfaceBuildFiles,
-		Description: "generate API surface build files",
-		Outputs:     []android.WritablePath{genAndroidBp},
-		Args: map[string]string{
-			"name":          contrib.Name() + "." + apiSurfaceContext.ModuleName(), //e.g. liblog.ndk
-			"symbol_file":   String(contrib.properties.Symbol_file),
-			"first_version": String(contrib.properties.First_version),
-		},
-	})
-	return []android.Path{genAndroidBp}
-}
-*/
diff --git a/cc/library_stub_test.go b/cc/library_stub_test.go
index cd06172..288a34c 100644
--- a/cc/library_stub_test.go
+++ b/cc/library_stub_test.go
@@ -21,94 +21,10 @@
 	"testing"
 
 	"android/soong/android"
-	"android/soong/multitree"
 
 	"github.com/google/blueprint"
 )
 
-func TestCcApiStubLibraryOutputFiles(t *testing.T) {
-	bp := `
-		cc_api_stub_library {
-			name: "foo",
-			symbol_file: "foo.map.txt",
-			first_version: "29",
-		}
-	`
-	result := prepareForCcTest.RunTestWithBp(t, bp)
-	outputs := result.ModuleForTests("foo", "android_arm64_armv8-a_shared").AllOutputs()
-	expected_file_suffixes := []string{".c", "stub.map", ".o", ".so"}
-	for _, expected_file_suffix := range expected_file_suffixes {
-		android.AssertBoolEquals(t, expected_file_suffix+" file not found in output", true, android.SuffixInList(outputs, expected_file_suffix))
-	}
-}
-
-func TestCcApiStubLibraryVariants(t *testing.T) {
-	bp := `
-		cc_api_stub_library {
-			name: "foo",
-			symbol_file: "foo.map.txt",
-			first_version: "29",
-		}
-	`
-	result := prepareForCcTest.RunTestWithBp(t, bp)
-	variants := result.ModuleVariantsForTests("foo")
-	expected_variants := []string{"29", "30", "S", "Tiramisu"} //TODO: make this test deterministic by using fixtures
-	for _, expected_variant := range expected_variants {
-		android.AssertBoolEquals(t, expected_variant+" variant not found in foo", true, android.SubstringInList(variants, expected_variant))
-	}
-}
-
-func TestCcLibraryUsesCcApiStubLibrary(t *testing.T) {
-	bp := `
-		cc_api_stub_library {
-			name: "foo",
-			symbol_file: "foo.map.txt",
-			first_version: "29",
-		}
-		cc_library {
-			name: "foo_user",
-			shared_libs: [
-				"foo#29",
-			],
-		}
-
-	`
-	prepareForCcTest.RunTestWithBp(t, bp)
-}
-
-func TestApiSurfaceOutputs(t *testing.T) {
-	bp := `
-		api_surface {
-			name: "mysdk",
-			contributions: [
-				"foo",
-			],
-		}
-
-		cc_api_contribution {
-			name: "foo",
-			symbol_file: "foo.map.txt",
-			first_version: "29",
-		}
-	`
-	result := android.GroupFixturePreparers(
-		prepareForCcTest,
-		multitree.PrepareForTestWithApiSurface,
-	).RunTestWithBp(t, bp)
-	mysdk := result.ModuleForTests("mysdk", "")
-
-	actual_surface_inputs := mysdk.Rule("phony").BuildParams.Inputs.Strings()
-	expected_file_suffixes := []string{"mysdk/foo/foo.map.txt"}
-	for _, expected_file_suffix := range expected_file_suffixes {
-		android.AssertBoolEquals(t, expected_file_suffix+" file not found in input", true, android.SuffixInList(actual_surface_inputs, expected_file_suffix))
-	}
-
-	// check args/inputs to rule
-	/*api_surface_gen_rule_args := result.ModuleForTests("mysdk", "").Rule("genApiSurfaceBuildFiles").Args
-	android.AssertStringEquals(t, "name", "foo.mysdk", api_surface_gen_rule_args["name"])
-	android.AssertStringEquals(t, "symbol_file", "foo.map.txt", api_surface_gen_rule_args["symbol_file"])*/
-}
-
 func hasDirectDependency(t *testing.T, ctx *android.TestResult, from android.Module, to android.Module) bool {
 	t.Helper()
 	var found bool