Implement a benchmark for GrResourceCache

gm/texdata.cpp

Index: gm/texdata.cpp
diff --git a/gm/texdata.cpp b/gm/texdata.cpp
index d2e5d05b485d4b66a2ef283d5498d55469b12793..94e48476e2dfb9ab4c4f7aad6670f89c3840f874 100644
--- a/gm/texdata.cpp
+++ b/gm/texdata.cpp
@@ -12,6 +12,7 @@
 
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
+#include "GrUtils.h"
 #include "effects/GrSimpleTextureEffect.h"
 #include "SkColorPriv.h"
 #include "SkDevice.h"
@@ -40,7 +41,7 @@ protected:
     virtual void onDraw(SkCanvas* canvas) {
         SkBaseDevice* device = canvas->getTopDevice();
         GrRenderTarget* target = device->accessRenderTarget();
-        GrContext* ctx = GM::GetGr(canvas);
+        GrContext* ctx = GrUtils::GetGr(canvas);
         if (ctx && target) {
             SkAutoTArray<SkPMColor> gTextureData((2 * S) * (2 * S));
             static const int stride = 2 * S;