Revert 125989 - Temporarily disable image transport surface on windows.

content/common/gpu/image_transport_surface_win.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.
 
 #if defined(ENABLE_GPU)
 
 #include "content/common/gpu/image_transport_surface.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 165 matching lines @@
 
 }  // namespace anonymous
 
 // static
 scoped_refptr<gfx::GLSurface> ImageTransportSurface::CreateSurface(
     GpuChannelManager* manager,
     GpuCommandBufferStub* stub,
     gfx::PluginWindowHandle handle) {
   scoped_refptr<gfx::GLSurface> surface;
 
-  // Temporarily disabling the image transport surface to test whether it
-  // contributes to memory bloat.
-  if (false && gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2 &&
+  if (gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2 &&
       !CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableImageTransportSurface)) {
     const char* extensions = eglQueryString(eglGetDisplay(EGL_DEFAULT_DISPLAY),
                                             EGL_EXTENSIONS);
     if (strstr(extensions, "EGL_ANGLE_query_surface_pointer") &&
         strstr(extensions, "EGL_ANGLE_surface_d3d_texture_2d_share_handle")) {
       surface = new PbufferImageTransportSurface(manager, stub);
     }
   }
 
   if (!surface.get()) {
     surface = gfx::GLSurface::CreateViewGLSurface(false, handle);
     if (!surface.get())
       return NULL;
 
     surface = new PassThroughImageTransportSurface(manager,
                                                    stub,
                                                    surface.get());
   }
 
   if (surface->Initialize())
     return surface;
   else
     return NULL;
 }
 
 #endif  // ENABLE_GPU