Factor GrTexture into public GrTexture and private GrTextureImpl.

src/gpu/gl/GrGpuGL.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 "GrGpuGL.h"
 #include "GrGLStencilBuffer.h"
@@ skipping 461 matching lines @@
     desc.fWidth = glTex->width();
     desc.fHeight = glTex->height();
     desc.fConfig = glTex->config();
     desc.fSampleCnt = glTex->desc().fSampleCnt;
     desc.fTextureID = glTex->textureID();
     desc.fOrigin = glTex->origin();
 
     if (this->uploadTexData(desc, false,
                             left, top, width, height,
                             config, buffer, rowBytes)) {
-        texture->dirtyMipMaps(true);
+        texture->impl()->dirtyMipMaps(true);
         return true;
     } else {
         return false;
     }
 }
 
 namespace {
 bool adjust_pixel_ops_params(int surfaceWidth,
                              int surfaceHeight,
                              size_t bpp,
@@ skipping 1083 matching lines @@
         if (fHWViewport != vp) {
             vp.pushToGLViewport(this->glInterface());
             fHWViewport = vp;
         }
     }
     if (NULL == bound || !bound->isEmpty()) {
         rt->flagAsNeedingResolve(bound);
     }
 
     GrTexture *texture = rt->asTexture();
-    if (texture) {
-        texture->dirtyMipMaps(true);
+    if (NULL != texture) {
+        texture->impl()->dirtyMipMaps(true);
     }
 }
 
 GrGLenum gPrimitiveType2GLMode[] = {
     GR_GL_TRIANGLES,
     GR_GL_TRIANGLE_STRIP,
     GR_GL_TRIANGLE_FAN,
     GR_GL_POINTS,
     GR_GL_LINES,
     GR_GL_LINE_STRIP
@@ skipping 1205 matching lines @@
             this->setVertexArrayID(gpu, 0);
         }
         int attrCount = gpu->glCaps().maxVertexAttributes();
         if (fDefaultVertexArrayAttribState.count() != attrCount) {
             fDefaultVertexArrayAttribState.resize(attrCount);
         }
         attribState = &fDefaultVertexArrayAttribState;
     }
     return attribState;
 }