Add EXT suffix to EXT_map_buffer_range references

src/gpu/gl/android/GrGLCreateNativeInterface_android.cpp

 // Modified from chromium/src/webkit/glue/gl_bindings_skia_cmd_buffer.cc
 
 // 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.
 
 #include "gl/GrGLInterface.h"
 #include "gl/GrGLAssembleInterface.h"
 #include "gl/GrGLExtensions.h"
 #include "gl/GrGLUtil.h"
@@ skipping 175 matching lines @@
 
 #if GL_OES_mapbuffer
     functions->fMapBuffer = glMapBufferOES;
     functions->fUnmapBuffer = glUnmapBufferOES;
 #else
     functions->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBufferOES");
     functions->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBufferOES");
 
 #endif
 
-#if GL_ES_VERSION_3_0 || GL_EXT_map_buffer_range
-    functions->fMapBufferRange = glMapBufferRange;
-    functions->fFlushMappedBufferRange = glFlushMappedBufferRange;
+    if (version >= GR_GL_VER(3,0)) {
+#if GL_ES_VERSION_3_0
+        functions->fMapBufferRange = glMapBufferRange;
+        functions->fFlushMappedBufferRange = glFlushMappedBufferRange;
 #else
-    if (version >= GR_GL_VER(3,0) || extensions->has("GL_EXT_map_buffer_range")) {
         functions->fMapBufferRange = (GrGLMapBufferRangeProc) eglGetProcAddress("glMapBufferRange");
         functions->fFlushMappedBufferRange = (GrGLFlushMappedBufferRangeProc) eglGetProcAddress("glFlushMappedBufferRange");
+#endif
+    } else if (extensions->has("GL_EXT_map_buffer_range")) {
+#if GL_EXT_map_buffer_range
+        functions->fMapBufferRange = glMapBufferRangeEXT;
+        functions->fFlushMappedBufferRange = glFlushMappedBufferRangeEXT;
+#else
+        functions->fMapBufferRange = (GrGLMapBufferRangeProc) eglGetProcAddress("glMapBufferRangeEXT");
+        functions->fFlushMappedBufferRange = (GrGLFlushMappedBufferRangeProc) eglGetProcAddress("glFlushMappedBufferRangeEXT");
+#endif
     }
-#endif
 
     if (extensions->has("GL_EXT_debug_marker")) {
         functions->fInsertEventMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glInsertEventMarker");
         functions->fPushGroupMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glPushGroupMarker");
         functions->fPopGroupMarker = (GrGLPopGroupMarkerProc) eglGetProcAddress("glPopGroupMarker");
         // The below check is here because a device has been found that has the extension string but
         // returns NULL from the eglGetProcAddress for the functions
         if (NULL == functions->fInsertEventMarker ||
             NULL == functions->fPushGroupMarker ||
             NULL == functions->fPopGroupMarker) {
@@ skipping 43 matching lines @@
             interface->fExtensions.swap(&extensions);
         }
 
         return interface;
     } else if (kGL_GrGLStandard == standard) {
         return create_desktop_interface();
     }
 
     return NULL;
 }