Command buffer: Fix bugs for drawing when the type of vertex attrib is a packed type

gpu/command_buffer/common/gles2_cmd_utils.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.
 
 // This file is here so other GLES2 related files can have a common set of
 // includes where appropriate.
 
 #ifndef GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_H_
 #define GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_H_
 
@@ skipping 137 matching lines @@
 
   static size_t RenderbufferBytesPerPixel(int format);
 
   // Return the element's number of bytes.
   // For example, GL_FLOAT_MAT3 returns sizeof(GLfloat).
   static uint32_t GetElementSizeForUniformType(int type);
   // Return the number of elements.
   // For example, GL_FLOAT_MAT3 returns 9.
   static uint32_t GetElementCountForUniformType(int type);
 
-  static size_t GetGLTypeSizeForTexturesAndBuffers(uint32_t type);
+  static size_t GetGLTypeSizeForBuffers(uint32_t type);
+
+  static size_t GetGroupSizeForBufferType(uint32_t count, uint32_t type);
 
   static size_t GetGLTypeSizeForPathCoordType(uint32_t type);
 
   static uint32_t GLErrorToErrorBit(uint32_t gl_error);
 
   static size_t GetComponentCountForGLTransformType(uint32_t type);
   static size_t GetGLTypeSizeForGLPathNameType(uint32_t type);
 
   static size_t GetCoefficientCountForGLPathFragmentInputGenMode(
       uint32_t gen_mode);
@@ skipping 116 matching lines @@
   bool fail_if_major_perf_caveat;
   bool lose_context_when_out_of_memory;
   ContextType context_type;
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_H_