Hook up shader long variable name mapping with GPU command buffer port.

gpu/command_buffer/service/shader_translator.h

 // Copyright (c) 2011 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_SERVICE_SHADER_TRANSLATOR_H_
 #define GPU_COMMAND_BUFFER_SERVICE_SHADER_TRANSLATOR_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 27 matching lines @@
   // A valid info-log is always returned irrespective of whether translation
   // was successful or not.
   virtual const char* translated_shader() const = 0;
   virtual const char* info_log() const = 0;
 
   struct VariableInfo {
     VariableInfo()
         : type(0),
           size(0) {
     }
-    VariableInfo(int _type, int _size)
+      VariableInfo(int _type, int _size, std::string _name)
         : type(_type),
-          size(_size) {
+          size(_size),
+          name(_name) {
     }
     int type;
     int size;
+    std::string name;  // name in the original shader source.
   };
   // Mapping between variable name and info.
   typedef base::hash_map<std::string, VariableInfo> VariableMap;
   virtual const VariableMap& attrib_map() const = 0;
   virtual const VariableMap& uniform_map() const = 0;
 };
 
 // Implementation of ShaderTranslatorInterface
 class ShaderTranslator : public ShaderTranslatorInterface {
  public:
@@ skipping 29 matching lines @@
   bool implementation_is_glsl_es_;
 
   DISALLOW_COPY_AND_ASSIGN(ShaderTranslator);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_SHADER_TRANSLATOR_H_