update_engine: Run clang-format on ./ (root directory)

BUG=none
TEST=unittest

Change-Id: Ibd075dc7ea9a18e798f612e35725f1c83c112809
Reviewed-on: https://chromium-review.googlesource.com/1409708
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
diff --git a/mock_payload_state.h b/mock_payload_state.h
index 4ac3ccf..ad22de5 100644
--- a/mock_payload_state.h
+++ b/mock_payload_state.h
@@ -26,11 +26,9 @@
 
 namespace chromeos_update_engine {
 
-class MockPayloadState: public PayloadStateInterface {
+class MockPayloadState : public PayloadStateInterface {
  public:
-  bool Initialize(SystemState* system_state) {
-    return true;
-  }
+  bool Initialize(SystemState* system_state) { return true; }
 
   // Significant methods.
   MOCK_METHOD1(SetResponse, void(const OmahaResponse& response));