cc: Implement overdraw feedback debugging feature.

content/browser/compositor/offscreen_browser_compositor_output_surface.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/compositor/offscreen_browser_compositor_output_surface.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 93 matching lines @@
     gl->BindFramebuffer(GL_FRAMEBUFFER, fbo_);
     gl->DeleteFramebuffers(1, &fbo_);
     fbo_ = 0;
   }
 }
 
 void OffscreenBrowserCompositorOutputSurface::Reshape(
     const gfx::Size& size,
     float scale_factor,
     const gfx::ColorSpace& color_space,
-    bool alpha) {
+    bool alpha,
+    bool stencil) {
   reshape_size_ = size;
   DiscardBackbuffer();
   EnsureBackbuffer();
 }
 
 void OffscreenBrowserCompositorOutputSurface::BindFramebuffer() {
   bool need_to_bind = !!reflector_texture_.get();
 
   EnsureBackbuffer();
   DCHECK(reflector_texture_.get());
@@ skipping 58 matching lines @@
     reflector_changed_ = true;
     EnsureBackbuffer();
   }
 }
 
 void OffscreenBrowserCompositorOutputSurface::OnSwapBuffersComplete() {
   client_->DidReceiveSwapBuffersAck();
 }
 
 }  // namespace content