cc: Use the correct internal format for glCopyTexImage2D calls.

content/browser/compositor/gpu_surfaceless_browser_compositor_output_surface.cc

 // Copyright 2014 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/gpu_surfaceless_browser_compositor_output_surface.h"
 
 #include <utility>
 
 #include "cc/output/compositor_frame.h"
 #include "cc/output/output_surface_client.h"
@@ skipping 68 matching lines @@
   DCHECK(buffer_queue_);
   buffer_queue_->PageFlipComplete();
   GpuBrowserCompositorOutputSurface::OnSwapBuffersComplete();
 }
 
 void GpuSurfacelessBrowserCompositorOutputSurface::BindFramebuffer() {
   DCHECK(buffer_queue_);
   buffer_queue_->BindFramebuffer();
 }
 
+GLenum GpuSurfacelessBrowserCompositorOutputSurface::
+    GetFramebufferCopyTextureFormat() {
+  return buffer_queue_->internal_format();
+}
+
 void GpuSurfacelessBrowserCompositorOutputSurface::Reshape(
     const gfx::Size& size,
     float scale_factor,
     bool alpha) {
   GpuBrowserCompositorOutputSurface::Reshape(size, scale_factor, alpha);
   DCHECK(buffer_queue_);
   buffer_queue_->Reshape(SurfaceSize(), scale_factor);
 }
 
 void GpuSurfacelessBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted(
     const std::vector<ui::LatencyInfo>& latency_info,
     gfx::SwapResult result,
     const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) {
   bool force_swap = false;
   if (result == gfx::SwapResult::SWAP_NAK_RECREATE_BUFFERS) {
     // Even through the swap failed, this is a fixable error so we can pretend
     // it succeeded to the rest of the system.
     result = gfx::SwapResult::SWAP_ACK;
     buffer_queue_->RecreateBuffers();
     force_swap = true;
   }
   GpuBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted(
       latency_info, result, params_mac);
   if (force_swap)
     client_->SetNeedsRedrawRect(gfx::Rect(SurfaceSize()));
 }
 
 }  // namespace content