Add glDrawRangeElements to GPU command buffer.

gpu/command_buffer/client/gles2_implementation.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 GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
 
 #include <GLES2/gl2.h>
 
 #include <list>
@@ skipping 646 matching lines @@
   void FailGLError(GLenum error);
 #else
   void CheckGLError() { }
   void FailGLError(GLenum /* error */) { }
 #endif
 
   void RemoveMappedBufferRangeByTarget(GLenum target);
   void RemoveMappedBufferRangeById(GLuint buffer);
   void ClearMappedBufferRangeMap();
 
+  void DrawElementsImpl(GLenum mode, GLsizei count, GLenum type,
+                        const void* indices, const char* func_name);
+
   GLES2Util util_;
   GLES2CmdHelper* helper_;
   TransferBufferInterface* transfer_buffer_;
   std::string last_error_;
   DebugMarkerManager debug_marker_manager_;
   std::string this_in_hex_;
 
   std::queue<int32> swap_buffers_tokens_;
   std::queue<int32> rate_limit_tokens_;
 
@@ skipping 157 matching lines @@
 
 inline bool GLES2Implementation::GetTexParameterivHelper(
     GLenum /* target */, GLenum /* pname */, GLint* /* params */) {
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_