Implement a benchmark for GrResourceCache

bench/PictureRecordBench.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 "SkBenchmark.h"
 #include "SkCanvas.h"
 #include "SkColor.h"
 #include "SkPaint.h"
 #include "SkPicture.h"
 #include "SkPoint.h"
 #include "SkRandom.h"
 #include "SkRect.h"
 #include "SkString.h"
 
 class PictureRecordBench : public SkBenchmark {
 public:
     PictureRecordBench(const char name[])  {
         fName.printf("picture_record_%s", name);
-        fIsRendering = false;
+    }
+
+    virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+        return backend == kNonRendering_Backend;
     }
 
     enum {
         PICTURE_WIDTH = 1000,
         PICTURE_HEIGHT = 4000,
     };
 protected:
     virtual const char* onGetName() SK_OVERRIDE {
         return fName.c_str();
     }
@@ skipping 133 matching lines @@
 private:
     SkPaint fPaint [ObjCount];
     typedef PictureRecordBench INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_BENCH( return new DictionaryRecordBench(); )
 DEF_BENCH( return new UniquePaintDictionaryRecordBench(); )
 DEF_BENCH( return new RecurringPaintDictionaryRecordBench(); )