Fix mock expectation in SubresourceFilterComponentInstallerTest.

chrome/browser/component_updater/subresource_filter_component_installer_unittest.cc

Index: chrome/browser/component_updater/subresource_filter_component_installer_unittest.cc
diff --git a/chrome/browser/component_updater/subresource_filter_component_installer_unittest.cc b/chrome/browser/component_updater/subresource_filter_component_installer_unittest.cc
index e653439d19d19aa9d0867f9802fe891725bea520..9c9dae1d278040a221a96cd4ef24a25ad7a7db4f 100644
--- a/chrome/browser/component_updater/subresource_filter_component_installer_unittest.cc
+++ b/chrome/browser/component_updater/subresource_filter_component_installer_unittest.cc
@@ -211,7 +211,9 @@ TEST_F(SubresourceFilterComponentInstallerTest,
                             subresource_filter::kActivationScopeNoSites);
   std::unique_ptr<SubresourceFilterMockComponentUpdateService>
       component_updater(new SubresourceFilterMockComponentUpdateService());
-  EXPECT_CALL(*component_updater, RegisterComponent(testing::_)).Times(1);
+  EXPECT_CALL(*component_updater, RegisterComponent(testing::_))
+      .Times(1)
+      .WillOnce(testing::Return(true));
   RegisterSubresourceFilterComponent(component_updater.get());
   base::RunLoop().RunUntilIdle();
 }