Implement getAttachedShaders for WebGL.

chrome/renderer/webgraphicscontext3d_command_buffer_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 CHROME_RENDERER_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 #define CHROME_RENDERER_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 
 #if defined(ENABLE_GPU)
 
 #include <vector>
@@ skipping 119 matching lines @@
   virtual void frontFace(unsigned long mode);
   virtual void generateMipmap(unsigned long target);
 
   virtual bool getActiveAttrib(WebGLId program,
                                unsigned long index,
                                ActiveInfo&);
   virtual bool getActiveUniform(WebGLId program,
                                 unsigned long index,
                                 ActiveInfo&);
 
+  virtual void getAttachedShaders(WebGLId program,
+                                  int maxCount,
+                                  int* count,
+                                  unsigned int* shaders);
+
   virtual int  getAttribLocation(WebGLId program, const char* name);
 
   virtual void getBooleanv(unsigned long pname, unsigned char* value);
 
   virtual void getBufferParameteriv(unsigned long target,
                                     unsigned long pname,
                                     int* value);
 
   virtual Attributes getContextAttributes();
 
@@ skipping 192 matching lines @@
   scoped_ptr<uint8> scanline_;
   void FlipVertically(uint8* framebuffer,
                       unsigned int width,
                       unsigned int height);
 #endif
 };
 
 #endif  // defined(ENABLE_GPU)
 #endif  // CHROME_RENDERER_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_