GLES2CmdDecoder should resize GLSurface using GLSurface::Resize

content/common/gpu/image_transport_surface_fbo_mac.mm

 // 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/common/gpu/image_transport_surface_fbo_mac.h"
 
 #include "base/command_line.h"
 #include "base/trace_event/trace_event.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/image_transport_surface_calayer_mac.h"
@@ skipping 248 matching lines @@
   return NULL;
 }
 
 void ImageTransportSurfaceFBO::OnBufferPresented(
     const AcceleratedSurfaceMsg_BufferPresented_Params& params) {
   TRACE_EVENT0("gpu", "ImageTransportSurfaceFBO::OnBufferPresented");
   SetRendererID(params.renderer_id);
   storage_provider_->SwapBuffersAckedByBrowser(params.disable_throttling);
 }
 
-void ImageTransportSurfaceFBO::OnResize(gfx::Size pixel_size,
-                                        float scale_factor) {
-  TRACE_EVENT2("gpu", "ImageTransportSurfaceFBO::OnResize",
-               "old_size", pixel_size_.ToString(),
-               "new_size", pixel_size.ToString());
+bool ImageTransportSurfaceFBO::Resize(const gfx::Size& pixel_size,
+                                      float scale_factor) {
+  TRACE_EVENT2("gpu", "ImageTransportSurfaceFBO::Resize", "old_size",
+               pixel_size_.ToString(), "new_size", pixel_size.ToString());
   // Caching |context_| from OnMakeCurrent. It should still be current.
   DCHECK(context_->IsCurrent(this));
 
   AllocateOrResizeFramebuffer(pixel_size, scale_factor);
+  return true;
 }
 
 void ImageTransportSurfaceFBO::SetLatencyInfo(
     const std::vector<ui::LatencyInfo>& latency_info) {
   for (size_t i = 0; i < latency_info.size(); i++)
     latency_info_.push_back(latency_info[i]);
 }
 
 void ImageTransportSurfaceFBO::OnWillDestroyStub() {
   helper_->stub()->RemoveDestructionObserver(this);
@@ skipping 144 matching lines @@
   }
 
   has_complete_framebuffer_ = true;
   storage_provider_->FrameSizeChanged(pixel_size_, scale_factor_);
 
   glBindTexture(texture_target, previous_texture_id);
   // The FBO remains bound for this GL context.
 }
 
 }  // namespace content