Cleanup: Another round of override fixes.

gm/shadertext.cpp

Index: gm/shadertext.cpp
diff --git a/gm/shadertext.cpp b/gm/shadertext.cpp
index 37be71092f9e823494eaff5422e8718253310106..30b15735d7f3bdc0ea2c1395c23caed87dc5fb11 100644
--- a/gm/shadertext.cpp
+++ b/gm/shadertext.cpp
@@ -95,13 +95,13 @@ protected:
         return kSkipTiled_Flag;
     }
 
-    SkString onShortName() {
+    SkString onShortName() SK_OVERRIDE {
         return SkString("shadertext");
     }
 
-    SkISize onISize() { return SkISize::Make(1450, 500); }
+    SkISize onISize() SK_OVERRIDE { return SkISize::Make(1450, 500); }
 
-    virtual void onDraw(SkCanvas* canvas) {
+    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         const char text[] = "Shaded Text";
         const int textLen = SK_ARRAY_COUNT(text) - 1;
         const int pointSize = 36;