cc: Implement overdraw feedback debugging feature.

content/renderer/android/synchronous_compositor_frame_sink.cc

Index: content/renderer/android/synchronous_compositor_frame_sink.cc
diff --git a/content/renderer/android/synchronous_compositor_frame_sink.cc b/content/renderer/android/synchronous_compositor_frame_sink.cc
index e69518a35a3b98ce73055bc701ee9c38e1b8e9c2..2f39e06692edf0dd0611963c0bde67894d0cc164 100644
--- a/content/renderer/android/synchronous_compositor_frame_sink.cc
+++ b/content/renderer/android/synchronous_compositor_frame_sink.cc
@@ -90,7 +90,8 @@ class SynchronousCompositorFrameSink::SoftwareOutputSurface
   void Reshape(const gfx::Size& size,
                float scale_factor,
                const gfx::ColorSpace& color_space,
-               bool has_alpha) override {}
+               bool has_alpha,
+               bool use_stencil) override {}
   uint32_t GetFramebufferCopyTextureFormat() override { return 0; }
   cc::OverlayCandidateValidator* GetOverlayCandidateValidator() const override {
     return nullptr;