Add subscribeUniform extension pipeline

webkit/common/gpu/webgraphicscontext3d_impl.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 WEBKIT_COMMON_GPU_WEBGRAPHICSCONTEXT3D_IMPL_H_
 #define WEBKIT_COMMON_GPU_WEBGRAPHICSCONTEXT3D_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 465 matching lines @@
   virtual void genMailboxCHROMIUM(WGC3Dbyte* mailbox);
   virtual void produceTextureCHROMIUM(WGC3Denum target,
                                       const WGC3Dbyte* mailbox);
   virtual void produceTextureDirectCHROMIUM(WebGLId texture, WGC3Denum target,
                                       const WGC3Dbyte* mailbox);
   virtual void consumeTextureCHROMIUM(WGC3Denum target,
                                       const WGC3Dbyte* mailbox);
   virtual WebGLId createAndConsumeTextureCHROMIUM(WGC3Denum target,
                                       const WGC3Dbyte* mailbox);
 
+  virtual void subscribeUniformCHROMIUM(WGC3Dint location, WGC3Denum target);
+  virtual void unsubscribeUniformCHROMIUM(WGC3Dint location);
+  virtual void populateSubscribedUniformsCHROMIUM();
+
   virtual void insertEventMarkerEXT(const WGC3Dchar* marker);
   virtual void pushGroupMarkerEXT(const WGC3Dchar* marker);
   virtual void popGroupMarkerEXT();
 
   // GL_OES_vertex_array_object
   virtual WebGLId createVertexArrayOES();
   virtual void deleteVertexArrayOES(WebGLId array);
   virtual WGC3Dboolean isVertexArrayOES(WebGLId array);
   virtual void bindVertexArrayOES(WebGLId array);
 
@@ skipping 97 matching lines @@
 
   ::gpu::gles2::GLES2Interface* gl_;
   bool lose_context_when_out_of_memory_;
   uint32_t flush_id_;
 };
 
 }  // namespace gpu
 }  // namespace webkit
 
 #endif  // WEBKIT_COMMON_GPU_WEBGRAPHICSCONTEXT3D_IMPL_H_