cc: Route offscreen context creation for compositor to the browser.

cc/resource_provider.h

 // Copyright 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 CC_RESOURCE_PROVIDER_H_
 #define CC_RESOURCE_PROVIDER_H_
 
 #include <deque>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "cc/cc_export.h"
+#include "cc/grcontext_provider.h"
 #include "cc/output_surface.h"
 #include "cc/texture_copier.h"
 #include "cc/texture_mailbox.h"
 #include "cc/transferable_resource.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/gfx/size.h"
 
 namespace WebKit {
@@ skipping 227 matching lines @@
     // until this fence has passed.
     void setReadLockFence(scoped_refptr<Fence> fence) { m_currentReadLockFence = fence; }
     Fence* getReadLockFence() { return m_currentReadLockFence; }
 
     // Enable read lock fences for a specific resource.
     void enableReadLockFences(ResourceProvider::ResourceId, bool enable);
 
     // Indicates if we can currently lock this resource for write.
     bool canLockForWrite(ResourceId);
 
+    GrContextProvider* offscreenContextProvider() { return &m_offscreenContextProvider; }
+    void setOffscreenContexts(WebKit::WebGraphicsContext3D* context3d, GrContext* grContext) { m_offscreenContextProvider.set_contexts(context3d, grContext); }
+
 private:
     struct Resource {
         Resource();
         ~Resource();
         Resource(unsigned textureId, const gfx::Size& size, GLenum format, GLenum filter);
         Resource(uint8_t* pixels, const gfx::Size& size, GLenum format, GLenum filter);
 
         unsigned glId;
         // Pixel buffer used for set pixels without unnecessary copying.
         unsigned glPixelBufferId;
@@ skipping 51 matching lines @@
 
     ResourceType m_defaultResourceType;
     bool m_useTextureStorageExt;
     bool m_useTextureUsageHint;
     bool m_useShallowFlush;
     scoped_ptr<TextureUploader> m_textureUploader;
     scoped_ptr<AcceleratedTextureCopier> m_textureCopier;
     int m_maxTextureSize;
     GLenum m_bestTextureFormat;
 
+    GrContextProvider m_offscreenContextProvider;
+
     base::ThreadChecker m_threadChecker;
 
     scoped_refptr<Fence> m_currentReadLockFence;
 
     DISALLOW_COPY_AND_ASSIGN(ResourceProvider);
 };
 
 }
 
 #endif  // CC_RESOURCE_PROVIDER_H_