update_engine: Replace NULL with nullptr

Replaced the usage of NULL with nullptr. This also makes it possible to
use standard gtest macros to compare pointers in Update Manager's unit tests.
So, there is no need in custom UMTEST_... macros which are replaced with the
gtest macros (see change in update_engine/update_manager/umtest_utils.h):

UMTEST_ASSERT_NULL(p)      => ASSERT_EQ(nullptr, p)
UMTEST_ASSERT_NOT_NULL(p)  => ASSERT_NE(nullptr, p)
UMTEST_EXPECT_NULL(p)      => EXPECT_EQ(nullptr, p)
UMTEST_EXPECT_NOT_NULL(p)  => EXPECT_NE(nullptr, p)

BUG=None
TEST=FEATURES=test emerge-link update_engine
     USE="clang asan" FEATURES=test emerge-link update_engine

Change-Id: I77a42a1e9ce992bb2f9f263db5cf75fe6110a4ec
Reviewed-on: https://chromium-review.googlesource.com/215136
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
Reviewed-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>
96 files changed
tree: d49741d0b0926c4c387e9d618b990ae89e6d2f8e
  1. init/
  2. payload_generator/
  3. update_manager/
  4. .gitignore
  5. action.h
  6. action_mock.h
  7. action_pipe.h
  8. action_pipe_unittest.cc
  9. action_processor.cc
  10. action_processor.h
  11. action_processor_mock.h
  12. action_processor_unittest.cc
  13. action_unittest.cc
  14. build
  15. bzip.cc
  16. bzip.h
  17. bzip_extent_writer.cc
  18. bzip_extent_writer.h
  19. bzip_extent_writer_unittest.cc
  20. certificate_checker.cc
  21. certificate_checker.h
  22. certificate_checker_mock.h
  23. certificate_checker_unittest.cc
  24. chrome_browser_proxy_resolver.cc
  25. chrome_browser_proxy_resolver.h
  26. chrome_browser_proxy_resolver_unittest.cc
  27. clock.cc
  28. clock.h
  29. clock_interface.h
  30. connection_manager.cc
  31. connection_manager.h
  32. connection_manager_unittest.cc
  33. constants.cc
  34. constants.h
  35. dbus_constants.h
  36. dbus_service.cc
  37. dbus_service.h
  38. dbus_wrapper_interface.h
  39. delta_performer.cc
  40. delta_performer.h
  41. delta_performer_unittest.cc
  42. download_action.cc
  43. download_action.h
  44. download_action_unittest.cc
  45. error_code.h
  46. extent_ranges.cc
  47. extent_ranges.h
  48. extent_ranges_unittest.cc
  49. extent_writer.cc
  50. extent_writer.h
  51. extent_writer_unittest.cc
  52. fake_clock.h
  53. fake_hardware.h
  54. fake_p2p_manager.h
  55. fake_p2p_manager_configuration.h
  56. fake_prefs.cc
  57. fake_prefs.h
  58. fake_system_state.cc
  59. fake_system_state.h
  60. file_descriptor.cc
  61. file_descriptor.h
  62. file_writer.cc
  63. file_writer.h
  64. file_writer_mock.h
  65. file_writer_unittest.cc
  66. filesystem_copier_action.cc
  67. filesystem_copier_action.h
  68. filesystem_copier_action_unittest.cc
  69. gen_coverage_html
  70. glib_utils.cc
  71. glib_utils.h
  72. hardware.cc
  73. hardware.h
  74. hardware_interface.h
  75. http_common.cc
  76. http_common.h
  77. http_fetcher.cc
  78. http_fetcher.h
  79. http_fetcher_unittest.cc
  80. hwid_override.cc
  81. hwid_override.h
  82. hwid_override_unittest.cc
  83. install_plan.cc
  84. install_plan.h
  85. libcurl_http_fetcher.cc
  86. libcurl_http_fetcher.h
  87. local_coverage_rate
  88. main.cc
  89. metrics.cc
  90. metrics.h
  91. mock_connection_manager.h
  92. mock_dbus_wrapper.h
  93. mock_file_writer.h
  94. mock_hardware.h
  95. mock_http_fetcher.cc
  96. mock_http_fetcher.h
  97. mock_p2p_manager.h
  98. mock_payload_state.h
  99. multi_range_http_fetcher.cc
  100. multi_range_http_fetcher.h
  101. omaha_hash_calculator.cc
  102. omaha_hash_calculator.h
  103. omaha_hash_calculator_unittest.cc
  104. omaha_request_action.cc
  105. omaha_request_action.h
  106. omaha_request_action_unittest.cc
  107. omaha_request_params.cc
  108. omaha_request_params.h
  109. omaha_request_params_unittest.cc
  110. omaha_response.h
  111. omaha_response_handler_action.cc
  112. omaha_response_handler_action.h
  113. omaha_response_handler_action_unittest.cc
  114. OWNERS
  115. p2p_manager.cc
  116. p2p_manager.h
  117. p2p_manager_unittest.cc
  118. payload_constants.cc
  119. payload_constants.h
  120. payload_state.cc
  121. payload_state.h
  122. payload_state_interface.h
  123. payload_state_unittest.cc
  124. payload_verifier.cc
  125. payload_verifier.h
  126. postinstall_runner_action.cc
  127. postinstall_runner_action.h
  128. postinstall_runner_action_unittest.cc
  129. prefs.cc
  130. prefs.h
  131. prefs_interface.h
  132. prefs_mock.h
  133. prefs_unittest.cc
  134. proxy_resolver.cc
  135. proxy_resolver.h
  136. real_dbus_wrapper.h
  137. real_system_state.cc
  138. real_system_state.h
  139. run_unittests
  140. sample_omaha_v3_response.xml
  141. simple_key_value_store.cc
  142. simple_key_value_store.h
  143. simple_key_value_store_unittest.cc
  144. subprocess.cc
  145. subprocess.h
  146. subprocess_unittest.cc
  147. system_state.h
  148. terminator.cc
  149. terminator.h
  150. terminator_unittest.cc
  151. test_http_server.cc
  152. test_utils.cc
  153. test_utils.h
  154. testrunner.cc
  155. unittest_key.pem
  156. unittest_key2.pem
  157. update_attempter.cc
  158. update_attempter.h
  159. update_attempter_mock.h
  160. update_attempter_unittest.cc
  161. update_check_scheduler.cc
  162. update_check_scheduler.h
  163. update_check_scheduler_unittest.cc
  164. update_engine.gyp
  165. update_engine.xml
  166. update_engine_client.cc
  167. update_metadata.proto
  168. UpdateEngine.conf
  169. utils.cc
  170. utils.h
  171. utils_unittest.cc
  172. WATCHLISTS
  173. zip_unittest.cc