Update bench pictures to time image decode & upload costs

https://codereview.chromium.org/117583002/



git-svn-id: http://skia.googlecode.com/svn/trunk@12742 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/PictureBenchmark.h b/tools/PictureBenchmark.h
index 1f01ce5..e9d9f65 100644
--- a/tools/PictureBenchmark.h
+++ b/tools/PictureBenchmark.h
@@ -41,8 +41,10 @@
      * TiledPictureRenderer.
      */
     void setTimeIndividualTiles(bool indiv) { fTimeIndividualTiles = indiv; }
+    bool timeIndividualTiles() const { return fTimeIndividualTiles; }
 
-    bool timeIndividualTiles() { return fTimeIndividualTiles; }
+    void setPurgeDecodedTex(bool purgeDecodedTex) { fPurgeDecodedTex = purgeDecodedTex; }
+    bool purgeDecodedText() const { return fPurgeDecodedTex; }
 
     PictureRenderer* setRenderer(PictureRenderer*);
 
@@ -59,6 +61,7 @@
     TimerData::Result fTimerResult;
     uint32_t          fTimerTypes; // bitfield of TimerData::TimerFlags values
     bool              fTimeIndividualTiles;
+    bool              fPurgeDecodedTex;
 
     void logProgress(const char msg[]);