Fix classes that have too many virtuals for inline constructors.

cc/test/fake_output_surface_client.h

Index: cc/test/fake_output_surface_client.h
diff --git a/cc/test/fake_output_surface_client.h b/cc/test/fake_output_surface_client.h
index bb31cfadb50d97ea5275b637edd9596e5fbddaf9..d9bb6c36901f7c86e146ed26dcecc3e03bc04136 100644
--- a/cc/test/fake_output_surface_client.h
+++ b/cc/test/fake_output_surface_client.h
@@ -14,10 +14,7 @@ class OutputSurface;
 
 class FakeOutputSurfaceClient : public OutputSurfaceClient {
  public:
-  FakeOutputSurfaceClient()
-      : swap_count_(0),
-        did_lose_output_surface_called_(false),
-        memory_policy_(0) {}
+  FakeOutputSurfaceClient();
 
   void CommitVSyncParameters(base::TimeTicks timebase,
                              base::TimeDelta interval) override {}