Add GL_CHROMIUM_map_sub functions to GrGLInterface and bit to GrGLCaps.

include/gpu/gl/GrGLInterface.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLInterface_DEFINED
 #define GrGLInterface_DEFINED
 
@@ skipping 215 matching lines @@
         GLPtr<GrGLInvalidateBufferSubDataProc> fInvalidateBufferSubData;
         GLPtr<GrGLInvalidateFramebufferProc> fInvalidateFramebuffer;
         GLPtr<GrGLInvalidateSubFramebufferProc> fInvalidateSubFramebuffer;
         GLPtr<GrGLInvalidateTexImageProc> fInvalidateTexImage;
         GLPtr<GrGLInvalidateTexSubImageProc> fInvalidateTexSubImage;
         GLPtr<GrGLLineWidthProc> fLineWidth;
         GLPtr<GrGLLinkProgramProc> fLinkProgram;
         GLPtr<GrGLLoadIdentityProc> fLoadIdentity;
         GLPtr<GrGLLoadMatrixfProc> fLoadMatrixf;
         GLPtr<GrGLMapBufferProc> fMapBuffer;
+        GLPtr<GrGLMapBufferSubDataProc> fMapBufferSubData;
+        GLPtr<GrGLMapTexSubImage2DProc> fMapTexSubImage2D;
         GLPtr<GrGLMatrixModeProc> fMatrixMode;
         GLPtr<GrGLPixelStoreiProc> fPixelStorei;
         GLPtr<GrGLPopGroupMarkerProc> fPopGroupMarker;
         GLPtr<GrGLPushGroupMarkerProc> fPushGroupMarker;
         GLPtr<GrGLQueryCounterProc> fQueryCounter;
         GLPtr<GrGLReadBufferProc> fReadBuffer;
         GLPtr<GrGLReadPixelsProc> fReadPixels;
         GLPtr<GrGLRenderbufferStorageProc> fRenderbufferStorage;
 
         //  On OpenGL ES there are multiple incompatible extensions that add support for MSAA
@@ skipping 52 matching lines @@
         GLPtr<GrGLUniform3fvProc> fUniform3fv;
         GLPtr<GrGLUniform3ivProc> fUniform3iv;
         GLPtr<GrGLUniform4fProc> fUniform4f;
         GLPtr<GrGLUniform4iProc> fUniform4i;
         GLPtr<GrGLUniform4fvProc> fUniform4fv;
         GLPtr<GrGLUniform4ivProc> fUniform4iv;
         GLPtr<GrGLUniformMatrix2fvProc> fUniformMatrix2fv;
         GLPtr<GrGLUniformMatrix3fvProc> fUniformMatrix3fv;
         GLPtr<GrGLUniformMatrix4fvProc> fUniformMatrix4fv;
         GLPtr<GrGLUnmapBufferProc> fUnmapBuffer;
+        GLPtr<GrGLUnmapBufferSubDataProc> fUnmapBufferSubData;
+        GLPtr<GrGLUnmapTexSubImage2DProc> fUnmapTexSubImage2D;
         GLPtr<GrGLUseProgramProc> fUseProgram;
         GLPtr<GrGLVertexAttrib4fvProc> fVertexAttrib4fv;
         GLPtr<GrGLVertexAttribPointerProc> fVertexAttribPointer;
         GLPtr<GrGLViewportProc> fViewport;
 
         // Experimental: Functions for GL_NV_path_rendering. These will be
         // alphabetized with the above functions once this is fully supported
         // (and functions we are unlikely to use will possibly be omitted).
         GLPtr<GrGLPathCommandsProc> fPathCommands;
         GLPtr<GrGLPathCoordsProc> fPathCoords;
@@ skipping 47 matching lines @@
     } fFunctions;
 
     // Per-GL func callback
 #if GR_GL_PER_GL_FUNC_CALLBACK
     GrGLInterfaceCallbackProc fCallback;
     GrGLInterfaceCallbackData fCallbackData;
 #endif
 };
 
 #endif