GLES2CmdDecoder should resize GLSurface using GLSurface::Resize

ui/gl/gl_surface_osmesa.cc

 // Copyright (c) 2012 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 "base/logging.h"
 #include "base/numerics/safe_math.h"
 #include "third_party/mesa/src/include/GL/osmesa.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_surface_osmesa.h"
@@ skipping 12 matching lines @@
       format_ = OSMESA_RGBA;
       break;
   }
   // Implementations of OSMesa surface do not support having a 0 size. In such
   // cases use a (1, 1) surface.
   if (size_.GetArea() == 0)
     size_.SetSize(1, 1);
 }
 
 bool GLSurfaceOSMesa::Initialize() {
-  return Resize(size_);
+  return Resize(size_, 1.f);
 }
 
 void GLSurfaceOSMesa::Destroy() {
   buffer_.reset();
 }
 
-bool GLSurfaceOSMesa::Resize(const gfx::Size& new_size) {
+bool GLSurfaceOSMesa::Resize(const gfx::Size& new_size, float scale_factor) {
   scoped_ptr<ui::ScopedMakeCurrent> scoped_make_current;
   GLContext* current_context = GLContext::GetCurrent();
   bool was_current =
       current_context && current_context->IsCurrent(this);
   if (was_current) {
     scoped_make_current.reset(
         new ui::ScopedMakeCurrent(current_context, this));
     current_context->ReleaseCurrent(this);
   }
 
@@ skipping 60 matching lines @@
   return gfx::SwapResult::SWAP_ACK;
 }
 
 GLSurfaceOSMesaHeadless::GLSurfaceOSMesaHeadless()
     : GLSurfaceOSMesa(OSMesaSurfaceFormatBGRA, gfx::Size(1, 1)) {
 }
 
 GLSurfaceOSMesaHeadless::~GLSurfaceOSMesaHeadless() { Destroy(); }
 
 }  // namespace gfx