cc: Implement overdraw feedback debugging feature.

android_webview/browser/parent_output_surface.cc

Index: android_webview/browser/parent_output_surface.cc
diff --git a/android_webview/browser/parent_output_surface.cc b/android_webview/browser/parent_output_surface.cc
index f746c2155234a32d02ccb666c3e7a848adc622ba..bcb6f22b6bbcb0c774dfea29de5b2c4f5221a312 100644
--- a/android_webview/browser/parent_output_surface.cc
+++ b/android_webview/browser/parent_output_surface.cc
@@ -35,7 +35,8 @@ void ParentOutputSurface::BindFramebuffer() {
 void ParentOutputSurface::Reshape(const gfx::Size& size,
                                   float scale_factor,
                                   const gfx::ColorSpace& color_space,
-                                  bool has_alpha) {}
+                                  bool has_alpha,
+                                  bool use_stencil) {}
 
 void ParentOutputSurface::SwapBuffers(cc::OutputSurfaceFrame frame) {
   context_provider_->ContextGL()->ShallowFlushCHROMIUM();