Suppress gmock warnings about uninteresting calls.

components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc

Index: components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc
diff --git a/components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc b/components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc
index 0a49f61053ca70ba71e791330bd52b2510f6674c..790fc4ff364ae1afae592d1f89e12b4054be2d23 100644
--- a/components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc
+++ b/components/subresource_filter/content/browser/subresource_filter_safe_browsing_activation_throttle_unittest.cc
@@ -166,7 +166,9 @@ class SubresourceFilterSafeBrowsingActivationThrottleTest
         new testing::ScopedSubresourceFilterFeatureToggle(
             base::FeatureList::OVERRIDE_ENABLE_FEATURE, kActivationLevelEnabled,
             kActivationScopeActivationList, kActivationListSubresourceFilter));
-    auto client = base::MakeUnique<MockSubresourceFilterClient>();
+    // Note: Using NiceMock to allow uninteresting calls and suppress warnings.
+    auto client =
+        base::MakeUnique<::testing::NiceMock<MockSubresourceFilterClient>>();
     ContentSubresourceFilterDriverFactory::CreateForWebContents(
         RenderViewHostTestHarness::web_contents(), std::move(client));
     fake_safe_browsing_database_ = new FakeSafeBrowsingDatabaseManager();