Update from https://crrev.com/316786

gpu/command_buffer/service/common_decoder.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_SERVICE_COMMON_DECODER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_COMMON_DECODER_H_
 
 #include <map>
 #include <stack>
 #include <string>
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/common/buffer.h"
 #include "gpu/command_buffer/service/cmd_parser.h"
 #include "gpu/gpu_export.h"
 
+// Forwardly declare a few GL types to avoid including GL header files.
+typedef int GLsizei;
+typedef int GLint;
+
 namespace gpu {
 
 class CommandBufferEngine;
 
 // This class is a helper base class for implementing the common parts of the
 // o3d/gl2 command buffer decoder.
 class GPU_EXPORT CommonDecoder : NON_EXPORTED_BASE(public AsyncAPIInterface) {
  public:
   typedef error::Error Error;
 
@@ skipping 48 matching lines @@
 
     // Sets the bucket data from a string. Strings are passed NULL terminated to
     // distinguish between empty string and no string.
     void SetFromString(const char* str);
 
     // Gets the bucket data as a string. Strings are passed NULL terminated to
     // distrinquish between empty string and no string. Returns False if there
     // is no string.
     bool GetAsString(std::string* str);
 
+    // Gets the bucket data as strings.
+    // On success, the number of strings are in |_count|, the string data are
+    // in |_string|, and string sizes are in |_length|..
+    bool GetAsStrings(GLsizei* _count,
+                      std::vector<char*>* _string,
+                      std::vector<GLint>* _length);
+
    private:
     bool OffsetSizeValid(size_t offset, size_t size) const {
       size_t temp = offset + size;
       return temp <= size_ && temp >= offset;
     }
 
     size_t size_;
     ::scoped_ptr<int8[]> data_;
 
     DISALLOW_COPY_AND_ASSIGN(Bucket);
@@ skipping 85 matching lines @@
 
   // A table of CommandInfo for all the commands.
   static const CommandInfo command_info[];
 
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_COMMON_DECODER_H_