Added test for non cached ETC1

gm/etc1bitmap.cpp

Index: gm/etc1bitmap.cpp
diff --git a/gm/etc1bitmap.cpp b/gm/etc1bitmap.cpp
index fcf521a1803fec084c3a9ee68eba507bccee2f8b..2782705c7dda892255246f2437cb3a0e4fd0e55b 100644
--- a/gm/etc1bitmap.cpp
+++ b/gm/etc1bitmap.cpp
@@ -84,6 +84,9 @@ protected:
     virtual SkString onShortName() SK_OVERRIDE {
         SkString str = SkString("etc1bitmap_");
         str.append(this->fileExtension());
+        if (this->isVolatile()) {
+            str.append("_volatile");
+        }
         return str;
     }
 
@@ -91,6 +94,8 @@ protected:
         return SkISize::Make(128, 128);
     }
 
+    virtual bool isVolatile() const { return false; }
+
     virtual SkString fileExtension() const = 0;
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
@@ -110,6 +115,8 @@ protected:
             return;
         }
 
+        bm.setIsVolatile(this->isVolatile());
+
         canvas->drawBitmap(bm, 0, 0);
     }
 
@@ -131,6 +138,21 @@ private:
     typedef ETC1BitmapGM INHERITED;
 };
 
+// This class specializes ETC1BitmapGM to load the mandrill_128.pkm file in a volatile bitmap.
+class ETC1Bitmap_PKM_VOLATILE_GM : public ETC1BitmapGM {
+public:
+    ETC1Bitmap_PKM_VOLATILE_GM() : ETC1BitmapGM() { }
+    virtual ~ETC1Bitmap_PKM_VOLATILE_GM() { }
+
+protected:
+
+    virtual SkString fileExtension() const SK_OVERRIDE { return SkString("pkm"); }
+    virtual bool isVolatile() const SK_OVERRIDE { return true; }
+
+private:
+    typedef ETC1BitmapGM INHERITED;
+};
+
 // This class specializes ETC1BitmapGM to load the mandrill_128.ktx file.
 class ETC1Bitmap_KTX_GM : public ETC1BitmapGM {
 public:
@@ -224,6 +246,7 @@ private:
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return SkNEW(skiagm::ETC1Bitmap_PKM_GM); )
+DEF_GM( return SkNEW(skiagm::ETC1Bitmap_PKM_VOLATILE_GM); )
 DEF_GM( return SkNEW(skiagm::ETC1Bitmap_KTX_GM); )
 DEF_GM( return SkNEW(skiagm::ETC1Bitmap_R11_KTX_GM); )