Implement a benchmark for GrResourceCache

gm/bleed.cpp

Index: gm/bleed.cpp
diff --git a/gm/bleed.cpp b/gm/bleed.cpp
index 7b2f9f89b8f203930815a462bab81209ac3e3d97..38f8bb3750a374df30ba751cfdca113c2247cc43 100644
--- a/gm/bleed.cpp
+++ b/gm/bleed.cpp
@@ -12,6 +12,7 @@
 
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
+#include "GrUtils.h"
 #endif
 
 // Create a black&white checked texture with 2 1-pixel rings
@@ -201,7 +202,7 @@ protected:
         this->drawCase4(canvas, kCol2X, kRow3Y, SkCanvas::kNone_DrawBitmapRectFlag, SkPaint::kHigh_FilterLevel);
 
 #if SK_SUPPORT_GPU
-        GrContext* ctx = GM::GetGr(canvas);
+        GrContext* ctx = GrUtils::GetGr(canvas);
         int oldMaxTextureSize = 0;
         if (NULL != ctx) {
             // shrink the max texture size so all our textures can be reasonably sized