Fix memory leak in unit test

chrome/browser/component_updater/cros_component_installer_unittest.cc

Index: chrome/browser/component_updater/cros_component_installer_unittest.cc
diff --git a/chrome/browser/component_updater/cros_component_installer_unittest.cc b/chrome/browser/component_updater/cros_component_installer_unittest.cc
index 951771b87b1c6d0210f2b33484dcfb6767c275e8..4c5d00f9881160dbcc410f3f99458508931ffefd 100644
--- a/chrome/browser/component_updater/cros_component_installer_unittest.cc
+++ b/chrome/browser/component_updater/cros_component_installer_unittest.cc
@@ -87,7 +87,8 @@ class FakeInstallerTraits : public ComponentInstallerTraits {
 void install_callback(update_client::Error error) {}
 
 TEST_F(CrOSComponentInstallerTest, BPPPCompatibleCrOSComponent) {
-  auto* bppp = new BrowserProcessPlatformPart();
+  std::unique_ptr<BrowserProcessPlatformPart> bppp(

[sky, 2017/05/26 02:27:19]

Can you instead declare BPPP on the stack?

[xiaochu, 2017/05/26 02:47:47]

Done.

+      new BrowserProcessPlatformPart());
   ASSERT_EQ(bppp->IsCompatibleCrOSComponent("a"), false);
   bppp->AddCompatibleCrOSComponent("a");
   ASSERT_EQ(bppp->IsCompatibleCrOSComponent("a"), true);