Add FBO support in Android WebView

gpu/command_buffer/client/gl_in_process_context.h

 // 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.
 
 #ifndef GPU_COMMAND_BUFFER_CLIENT_GL_IN_PROCESS_CONTEXT_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GL_IN_PROCESS_CONTEXT_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "gles2_impl_export.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/gl/gl_surface.h"
 #include "ui/gl/gpu_preference.h"
 
 namespace gfx {
 class Size;
 }
 
 namespace gpu {
 
 namespace gles2 {
 class GLES2Implementation;
@@ skipping 25 matching lines @@
   // Create a GLInProcessContext, if |is_offscreen| is true, renders to an
   // offscreen context. |attrib_list| must be NULL or a NONE-terminated list
   // of attribute/value pairs.
   static GLInProcessContext* CreateContext(
       bool is_offscreen,
       gfx::AcceleratedWidget window,
       const gfx::Size& size,
       bool share_resources,
       const char* allowed_extensions,
       const int32* attrib_list,
-      gfx::GpuPreference gpu_preference,
-      const base::Closure& callback);
+      gfx::GpuPreference gpu_preference);
+
+  static GLInProcessContext* CreateWithSurface(

[joth, 2013/08/04 00:45:16]

comment?

+      scoped_refptr<gfx::GLSurface> surface,
+      bool is_offscreen,
+      const gfx::Size& size,
+      bool share_resources,
+      const char* allowed_extensions,
+      const int32* attrib_list,
+      gfx::GpuPreference gpu_preference);
+
+  virtual void SetContextLostCallback(const base::Closure& callback) = 0;
 
   virtual void SignalSyncPoint(unsigned sync_point,
                                const base::Closure& callback) = 0;
 
   virtual void SignalQuery(unsigned query, const base::Closure& callback) = 0;
 
   // Allows direct access to the GLES2 implementation so a GLInProcessContext
   // can be used without making it current.
   virtual gles2::GLES2Implementation* GetImplementation() = 0;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GL_IN_PROCESS_CONTEXT_H_