Move GrGLBufferImpl's GL calls to behind GrGLGpu

src/gpu/GrGpu.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 GrGpu_DEFINED
 #define GrGpu_DEFINED
 
@@ skipping 393 matching lines @@
     static void ElevateDrawPreference(GrGpu::DrawPreference* preference,
                                       GrGpu::DrawPreference elevation) {
         GR_STATIC_ASSERT(GrGpu::kCallerPrefersDraw_DrawPreference > GrGpu::kNoDraw_DrawPreference);
         GR_STATIC_ASSERT(GrGpu::kGpuPrefersDraw_DrawPreference >
                          GrGpu::kCallerPrefersDraw_DrawPreference);
         GR_STATIC_ASSERT(GrGpu::kRequireDraw_DrawPreference >
                          GrGpu::kGpuPrefersDraw_DrawPreference);
         *preference = SkTMax(*preference, elevation);
     }
 
+    void handleDirtyContext() {
+        if (fResetBits) {
+            this->resetContext();
+        }
+    }
+
     Stats                                   fStats;
     SkAutoTDelete<GrPathRendering>          fPathRendering;
     // Subclass must initialize this in its constructor.
     SkAutoTUnref<const GrCaps>    fCaps;
 
 private:
     // called when the 3D context state is unknown. Subclass should emit any
     // assumed 3D context state and dirty any state cache.
     virtual void onResetContext(uint32_t resetBits) = 0;
 
@@ skipping 55 matching lines @@
                                GrSurface* src,
                                const SkIRect& srcRect,
                                const SkIPoint& dstPoint) = 0;
 
     void resetContext() {
         this->onResetContext(fResetBits);
         fResetBits = 0;
         ++fResetTimestamp;
     }
 
-    void handleDirtyContext() {
-        if (fResetBits) {
-            this->resetContext();
-        }
-    }
-
     ResetTimestamp                                                      fResetTimestamp;
     uint32_t                                                            fResetBits;
     // The context owns us, not vice-versa, so this ptr is not ref'ed by Gpu.
     GrContext*                                                          fContext;
 
     friend class GrPathRendering;
     typedef SkRefCnt INHERITED;
 };
 
 #endif