Address google3 compiler warning

https://codereview.appspot.com/7308063/



git-svn-id: http://skia.googlecode.com/svn/trunk@7655 2bbb7eff-a529-9590-31e7-b0007b416f81

bench/DeferredCanvasBench.cpp

@@ -63,6 +63,8 @@ public:
     virtual void flushedDrawCommands() SK_OVERRIDE {fDummy = !fDummy;}
 private:
     bool fDummy;
+
+    typedef SkDeferredCanvas::NotificationClient INHERITED;
 };
 
 // Test that records very simple draw operations.

include/utils/SkDeferredCanvas.h

@@ -192,6 +192,8 @@ public:
 public:
     class NotificationClient {
     public:
+        virtual ~NotificationClient() {}
+
         /**
          *  Called before executing one or several draw commands, which means
          *  once per flush when deferred rendering is enabled.
@@ -218,9 +220,6 @@ public:
          *  or completely overwritten by the command currently being recorded.
          */
         virtual void skippedPendingDrawCommands() {}
-
-    private:
-        typedef SkRefCnt INHERITED;
     };
 
 protected:

tests/DeferredCanvasTest.cpp

@@ -260,6 +260,9 @@ public:
     int fStorageAllocatedChangedCount;
     int fFlushedDrawCommandsCount;
     int fSkippedPendingDrawCommandsCount;
+
+private:
+    typedef SkDeferredCanvas::NotificationClient INHERITED;
 };
 
 static void TestDeferredCanvasBitmapCaching(skiatest::Reporter* reporter) {