Support using OpenGL ES context on desktop

tests/ReadPixelsTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkColorPriv.h"
@@ skipping 291 matching lines @@
             if (0 == dtype) {
                 SkImageInfo info = SkImageInfo::MakeN32Premul(DEV_W, DEV_H);
                 device.reset(SkBitmapDevice::Create(info));
             } else {
 #if SK_SUPPORT_GPU
                 GrContextFactory::GLContextType type =
                     static_cast<GrContextFactory::GLContextType>(glCtxType);
                 if (!GrContextFactory::IsRenderingGLContext(type)) {
                     continue;
                 }
-                GrContext* context = factory->get(type);
+                GrContext* context = factory->get(type, kNone_GrGLStandard);
                 if (NULL == context) {
                     continue;
                 }
                 GrTextureDesc desc;
                 desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
                 desc.fWidth = DEV_W;
                 desc.fHeight = DEV_H;
                 desc.fConfig = kSkia8888_GrPixelConfig;
                 desc.fOrigin = 1 == dtype ? kBottomLeft_GrSurfaceOrigin
                                           : kTopLeft_GrSurfaceOrigin;
@@ skipping 63 matching lines @@
                         checkRead(reporter, wkbmp, clippedRect.fLeft,
                                   clippedRect.fTop, true, false);
                     } else {
                         REPORTER_ASSERT(reporter, !success);
                     }
                 }
             }
         }
     }
 }