Moved the logic of maintaining the current context to gles2 helper library.

webkit/plugins/ppapi/ppb_graphics_3d_impl.h

 // Copyright (c) 2010 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 WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_3D_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_3D_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/scoped_ptr.h"
 #include "gfx/size.h"
 #include "gpu/command_buffer/client/gles2_cmd_helper.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "ppapi/c/pp_instance.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 #include "webkit/plugins/ppapi/resource.h"
 
 namespace gpu {
 namespace gles2 {
 class GLES2Implementation;
 }  // namespace gles2
 }  // namespace gpu
 
 struct PPB_Graphics3D_Dev;
-struct PPB_OpenGLES_Dev;
+struct PPB_OpenGLES2_Dev;
 
 namespace webkit {
 namespace ppapi {
 
 class PPB_Graphics3D_Impl : public Resource {
  public:
   explicit PPB_Graphics3D_Impl(PluginModule* module);
 
   virtual ~PPB_Graphics3D_Impl();
 
   static const PPB_Graphics3D_Dev* GetInterface();
-  static const PPB_OpenGLES_Dev* GetOpenGLESInterface();
+  static const PPB_OpenGLES2_Dev* GetOpenGLES2Interface();
 
   static bool Shutdown();
 
-  static PPB_Graphics3D_Impl* GetCurrent();
-
-  static void ResetCurrent();
-
   // Resource override.
   virtual PPB_Graphics3D_Impl* AsPPB_Graphics3D_Impl();
 
   bool Init(PP_Instance instance_id, int32_t config,
             const int32_t* attrib_list);
 
   // Associates this PPB_Graphics3D_Impl with the given plugin instance. You can pass
   // NULL to clear the existing device. Returns true on success. In this case,
   // the last rendered frame is displayed.
   // TODO(apatrick): Figure out the best semantics here.
   bool BindToInstance(PluginInstance* new_instance);
 
-  bool MakeCurrent();
-
   bool SwapBuffers();
 
   unsigned GetError();
 
   void ResizeBackingTexture(const gfx::Size& size);
 
   void SetSwapBuffersCallback(Callback0::Type* callback);
 
   unsigned GetBackingTextureId();
 
@@ skipping 15 matching lines @@
   gpu::gles2::GLES2Implementation* gles2_implementation_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_3D_IMPL_H_