Add a shallow command buffer flush that doesn't glFlush

webkit/gpu/webgraphicscontext3d_in_process_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_GPU_WEBGRAPHICSCONTEXT3D_IN_PROCESS_IMPL_H_
 #define WEBKIT_GPU_WEBGRAPHICSCONTEXT3D_IN_PROCESS_IMPL_H_
 
 #include <list>
 #include <set>
 
@@ skipping 460 matching lines @@
       WGC3Denum target, WGC3Denum pname, WGC3Dint* params);
   virtual void getQueryObjectuivEXT(
       WebGLId query, WGC3Denum pname, WGC3Duint* params);
 
   virtual void copyTextureCHROMIUM(WGC3Denum target, WGC3Duint source_id,
                                    WGC3Duint dest_id, WGC3Dint level,
                                    WGC3Denum internal_format);
   virtual void bindUniformLocationCHROMIUM(WebGLId program, WGC3Dint location,
                                            const WGC3Dchar* uniform);
 
+  // CHROMIUM_shallow_flush
+  // Only applies to contexts that use the command buffer.
+  virtual void shallowFlushCHROMIUM() { }
+
  protected:
   virtual GrGLInterface* onCreateGrGLInterface();
 
  private:
   bool Initialize(Attributes attributes);
 
   // ANGLE related.
   struct ShaderSourceEntry;
 
   typedef base::hash_map<WebGLId, ShaderSourceEntry*> ShaderSourceMap;
@@ skipping 58 matching lines @@
   ShaderSourceMap shader_source_map_;
 
   ShHandle fragment_compiler_;
   ShHandle vertex_compiler_;
 };
 
 }  // namespace gpu
 }  // namespace webkit
 
 #endif  // WEBKIT_GPU_WEBGRAPHICSCONTEXT3D_IN_PROCESS_IMPL_H_