Fix debugger build errors/warnings

https://codereview.appspot.com/7729045/



git-svn-id: http://skia.googlecode.com/svn/trunk@8105 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/debugger/SkDebugger.h b/debugger/SkDebugger.h
index a6ef786..1ca7b68 100644
--- a/debugger/SkDebugger.h
+++ b/debugger/SkDebugger.h
@@ -107,7 +107,8 @@
         }
     }
 
-    void getOverviewText(const SkTDArray<double>* typeTimes, double totTime, SkString* overview);
+    void getOverviewText(const SkTDArray<double>* typeTimes, double totTime, 
+                         SkString* overview, int numRuns);
 
 private:
     SkDebugCanvas* fDebugCanvas;