Remove GrSurface::isSameAs

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 2410 matching lines @@
                                   srcGLRect.fLeft, srcGLRect.fBottom,
                                   srcGLRect.fWidth, srcGLRect.fHeight));
         copied = true;
         if (srcFBO) {
             GL_CALL(DeleteFramebuffers(1, &srcFBO));
         }
     } else if (can_blit_framebuffer(dst, src, this)) {
         SkIRect dstRect = SkIRect::MakeXYWH(dstPoint.fX, dstPoint.fY,
                                             srcRect.width(), srcRect.height());
         bool selfOverlap = false;
-        if (dst->surfacePriv().isSameAs(src)) {
+        if (dst == src) {
             selfOverlap = SkIRect::IntersectsNoEmptyCheck(dstRect, srcRect);
         }
 
         if (!selfOverlap) {
             GrGLuint dstFBO;
             GrGLuint srcFBO;
             GrGLIRect dstVP;
             GrGLIRect srcVP;
             dstFBO = this->bindSurfaceAsFBO(dst, GR_GL_DRAW_FRAMEBUFFER, &dstVP);
             srcFBO = this->bindSurfaceAsFBO(src, GR_GL_READ_FRAMEBUFFER, &srcVP);
@@ skipping 53 matching lines @@
                              const SkIRect& srcRect,
                              const SkIPoint& dstPoint) {
     // This mirrors the logic in onCopySurface.  We prefer our base makes the copy if we need to
     // create a temp fbo
     // TODO verify this assumption, it may not be true at all
     bool wouldNeedTempFBO = false;
     if (can_copy_texsubimage(dst, src, this, &wouldNeedTempFBO) && !wouldNeedTempFBO) {
         return true;
     }
     if (can_blit_framebuffer(dst, src, this, &wouldNeedTempFBO) && !wouldNeedTempFBO) {
-        if (dst->surfacePriv().isSameAs(src)) {
+        if (dst == src) {
             SkIRect dstRect = SkIRect::MakeXYWH(dstPoint.fX, dstPoint.fY,
                                                 srcRect.width(), srcRect.height());
             if(!SkIRect::IntersectsNoEmptyCheck(dstRect, srcRect)) {
                 return true;
             }
         } else {
             return true;
         }
     }
     return false;
@@ skipping 39 matching lines @@
             this->setVertexArrayID(gpu, 0);
         }
         int attrCount = gpu->glCaps().maxVertexAttributes();
         if (fDefaultVertexArrayAttribState.count() != attrCount) {
             fDefaultVertexArrayAttribState.resize(attrCount);
         }
         attribState = &fDefaultVertexArrayAttribState;
     }
     return attribState;
 }