Moved GrGLFragmentProcessor definition to its own file

src/effects/SkAlphaThresholdFilter.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkAlphaThresholdFilter.h"
 #include "SkBitmap.h"
 #include "SkReadBuffer.h"
@@ skipping 38 matching lines @@
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
 #include "GrCoordTransform.h"
 #include "GrFragmentProcessor.h"
 #include "GrInvariantOutput.h"
 #include "GrTextureAccess.h"
 #include "effects/GrPorterDuffXferProcessor.h"
 
 #include "SkGr.h"
 
-#include "gl/GrGLProcessor.h"
+#include "gl/GrGLFragmentProcessor.h"
 #include "gl/builders/GrGLProgramBuilder.h"
 
 class AlphaThresholdEffect : public GrFragmentProcessor {
 
 public:
     static GrFragmentProcessor* Create(GrProcessorDataManager* procDataManager,
                                        GrTexture* texture,
                                        GrTexture* maskTexture,
                                        float innerThreshold,
                                        float outerThreshold) {
@@ skipping 314 matching lines @@
 }
 
 #ifndef SK_IGNORE_TO_STRING
 void SkAlphaThresholdFilterImpl::toString(SkString* str) const {
     str->appendf("SkAlphaThresholdImageFilter: (");
     str->appendf("inner: %f outer: %f", fInnerThreshold, fOuterThreshold);
     str->append(")");
 }
 #endif