Update from https://crrev.com/320343

gpu/GLES2/gl2chromium_autogen.h

 // Copyright 2014 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 auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 51 matching lines @@
 #define glDeleteTextures GLES2_GET_FUN(DeleteTextures)
 #define glDeleteTransformFeedbacks GLES2_GET_FUN(DeleteTransformFeedbacks)
 #define glDepthFunc GLES2_GET_FUN(DepthFunc)
 #define glDepthMask GLES2_GET_FUN(DepthMask)
 #define glDepthRangef GLES2_GET_FUN(DepthRangef)
 #define glDetachShader GLES2_GET_FUN(DetachShader)
 #define glDisable GLES2_GET_FUN(Disable)
 #define glDisableVertexAttribArray GLES2_GET_FUN(DisableVertexAttribArray)
 #define glDrawArrays GLES2_GET_FUN(DrawArrays)
 #define glDrawElements GLES2_GET_FUN(DrawElements)
+#define glDrawRangeElements GLES2_GET_FUN(DrawRangeElements)
 #define glEnable GLES2_GET_FUN(Enable)
 #define glEnableVertexAttribArray GLES2_GET_FUN(EnableVertexAttribArray)
 #define glFenceSync GLES2_GET_FUN(FenceSync)
 #define glFinish GLES2_GET_FUN(Finish)
 #define glFlush GLES2_GET_FUN(Flush)
 #define glFramebufferRenderbuffer GLES2_GET_FUN(FramebufferRenderbuffer)
 #define glFramebufferTexture2D GLES2_GET_FUN(FramebufferTexture2D)
 #define glFramebufferTextureLayer GLES2_GET_FUN(FramebufferTextureLayer)
 #define glFrontFace GLES2_GET_FUN(FrontFace)
 #define glGenBuffers GLES2_GET_FUN(GenBuffers)
@@ skipping 167 matching lines @@
 #define glDeleteVertexArraysOES GLES2_GET_FUN(DeleteVertexArraysOES)
 #define glIsVertexArrayOES GLES2_GET_FUN(IsVertexArrayOES)
 #define glBindVertexArrayOES GLES2_GET_FUN(BindVertexArrayOES)
 #define glSwapBuffers GLES2_GET_FUN(SwapBuffers)
 #define glGetMaxValueInBufferCHROMIUM GLES2_GET_FUN(GetMaxValueInBufferCHROMIUM)
 #define glEnableFeatureCHROMIUM GLES2_GET_FUN(EnableFeatureCHROMIUM)
 #define glMapBufferCHROMIUM GLES2_GET_FUN(MapBufferCHROMIUM)
 #define glUnmapBufferCHROMIUM GLES2_GET_FUN(UnmapBufferCHROMIUM)
 #define glMapBufferSubDataCHROMIUM GLES2_GET_FUN(MapBufferSubDataCHROMIUM)
 #define glUnmapBufferSubDataCHROMIUM GLES2_GET_FUN(UnmapBufferSubDataCHROMIUM)
+#define glMapBufferRange GLES2_GET_FUN(MapBufferRange)
+#define glUnmapBuffer GLES2_GET_FUN(UnmapBuffer)
 #define glMapTexSubImage2DCHROMIUM GLES2_GET_FUN(MapTexSubImage2DCHROMIUM)
 #define glUnmapTexSubImage2DCHROMIUM GLES2_GET_FUN(UnmapTexSubImage2DCHROMIUM)
 #define glResizeCHROMIUM GLES2_GET_FUN(ResizeCHROMIUM)
 #define glGetRequestableExtensionsCHROMIUM \
   GLES2_GET_FUN(GetRequestableExtensionsCHROMIUM)
 #define glRequestExtensionCHROMIUM GLES2_GET_FUN(RequestExtensionCHROMIUM)
 #define glRateLimitOffscreenContextCHROMIUM \
   GLES2_GET_FUN(RateLimitOffscreenContextCHROMIUM)
 #define glGetProgramInfoCHROMIUM GLES2_GET_FUN(GetProgramInfoCHROMIUM)
 #define glGetUniformBlocksCHROMIUM GLES2_GET_FUN(GetUniformBlocksCHROMIUM)
@@ skipping 46 matching lines @@
 #define glDrawBuffersEXT GLES2_GET_FUN(DrawBuffersEXT)
 #define glDiscardBackbufferCHROMIUM GLES2_GET_FUN(DiscardBackbufferCHROMIUM)
 #define glScheduleOverlayPlaneCHROMIUM \
   GLES2_GET_FUN(ScheduleOverlayPlaneCHROMIUM)
 #define glSwapInterval GLES2_GET_FUN(SwapInterval)
 #define glMatrixLoadfCHROMIUM GLES2_GET_FUN(MatrixLoadfCHROMIUM)
 #define glMatrixLoadIdentityCHROMIUM GLES2_GET_FUN(MatrixLoadIdentityCHROMIUM)
 #define glBlendBarrierKHR GLES2_GET_FUN(BlendBarrierKHR)
 
 #endif  // GPU_GLES2_GL2CHROMIUM_AUTOGEN_H_