Remove GrRefCnt.h in favor of SkRefCnt.h

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 5145b2937313b17e60d118d3a4cee46858c971b6..d931de5ff1d84c24f45822da62bd99a43f841ab2 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -167,8 +167,8 @@ GrContext::~GrContext() {
     fOvalRenderer->unref();
 
     fGpu->unref();
-    GrSafeUnref(fPathRendererChain);
-    GrSafeUnref(fSoftwarePathRenderer);
+    SkSafeUnref(fPathRendererChain);
+    SkSafeUnref(fSoftwarePathRenderer);
     fDrawState->unref();
 
     --THREAD_INSTANCE_COUNT;
@@ -186,8 +186,8 @@ void GrContext::contextDestroyed() {
 
     // a path renderer may be holding onto resources that
     // are now unusable
-    GrSafeSetNull(fPathRendererChain);
-    GrSafeSetNull(fSoftwarePathRenderer);
+    SkSafeSetNull(fPathRendererChain);
+    SkSafeSetNull(fSoftwarePathRenderer);
 
     delete fDrawBuffer;
     fDrawBuffer = NULL;
@@ -221,8 +221,8 @@ void GrContext::freeGpuResources() {
     fTextureCache->purgeAllUnlocked();
     fFontCache->freeAll();
     // a path renderer may be holding onto resources
-    GrSafeSetNull(fPathRendererChain);
-    GrSafeSetNull(fSoftwarePathRenderer);
+    SkSafeSetNull(fPathRendererChain);
+    SkSafeSetNull(fSoftwarePathRenderer);
 }
 
 size_t GrContext::getGpuTextureCacheBytes() const {