Revert of Move copy-surface-as-draw fallback to GrGLGpu.

src/gpu/gl/GrGLCaps.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGLCaps.h"
 
@@ skipping 924 matching lines @@
     fFBFetchColorName = NULL;
     fFBFetchExtensionString = NULL;
 }
 
 GrGLSLCaps::GrGLSLCaps(const GrGLSLCaps& caps) : GrShaderCaps() {
     *this = caps;
 }
 
 GrGLSLCaps& GrGLSLCaps::operator= (const GrGLSLCaps& caps) {
     INHERITED::operator=(caps);
-    fGLSLGeneration = caps.fGLSLGeneration;
     fDropsTileOnZeroDivide = caps.fDropsTileOnZeroDivide;
     fFBFetchSupport = caps.fFBFetchSupport;
     fFBFetchNeedsCustomOutput = caps.fFBFetchNeedsCustomOutput;
     fAdvBlendEqInteraction = caps.fAdvBlendEqInteraction;
     fFBFetchColorName = caps.fFBFetchColorName;
     fFBFetchExtensionString = caps.fFBFetchExtensionString;
 
     return *this;
 }
 
 bool GrGLSLCaps::init(const GrGLContextInfo& ctxInfo,
                       const GrGLInterface* gli,
                       const GrGLCaps& glCaps) {
     this->reset();
     if (!ctxInfo.isInitialized()) {
         return false;
     }
 
-    fGLSLGeneration = ctxInfo.glslGeneration();
-    
     GrGLStandard standard = ctxInfo.standard();
     GrGLVersion version = ctxInfo.version();
 
     /**************************************************************************
     * Caps specific to GrGLSLCaps
     **************************************************************************/
 
     if (kGLES_GrGLStandard == standard) {
         if (ctxInfo.hasExtension("GL_EXT_shader_framebuffer_fetch")) {
             fFBFetchNeedsCustomOutput = (version >= GR_GL_VER(3, 0));
@@ skipping 176 matching lines @@
     if (fGeometryShaderSupport) {
         for (int p = 0; p < kGrSLPrecisionCount; ++p) {
             fFloatPrecisions[kGeometry_GrShaderType][p] = fFloatPrecisions[kVertex_GrShaderType][p];
         }
     }
 }