Renamed FilterHost::Error() and Pipeline::GetTime() to more appropriate names.

media/base/mock_filters.h

Index: media/base/mock_filters.h
diff --git a/media/base/mock_filters.h b/media/base/mock_filters.h
index 6d8c8a993df58ced66847d7f29da99795de7d2e6..8c449968a23b907577bb45832013d01cb6f180e4 100644
--- a/media/base/mock_filters.h
+++ b/media/base/mock_filters.h
@@ -332,9 +332,9 @@ void RunFilterCallback(::testing::Unused, FilterCallback* callback);
 // methods.
 void DestroyFilterCallback(::testing::Unused, FilterCallback* callback);
 
-// Helper gmock action that calls Error() on behalf of the provided filter.
-ACTION_P2(Error, filter, error) {
-  filter->host()->Error(error);
+// Helper gmock action that calls SetError() on behalf of the provided filter.
+ACTION_P2(SetError, filter, error) {
+  filter->host()->SetError(error);
 }
 
 }  // namespace media