[content shell] implement auto resize related WebTestDelegate interfaces

content/shell/renderer/webkit_test_runner.h

Index: content/shell/renderer/webkit_test_runner.h
diff --git a/content/shell/renderer/webkit_test_runner.h b/content/shell/renderer/webkit_test_runner.h
index 8191ed3a6cd746d90ae7fbd8b68f3b7a7d384471..f3ee030485afee3eca445032cad5f3cdce30c523 100644
--- a/content/shell/renderer/webkit_test_runner.h
+++ b/content/shell/renderer/webkit_test_runner.h
@@ -71,6 +71,9 @@ class WebKitTestRunner : public RenderViewObserver,
   virtual void applyPreferences();
   virtual std::string makeURLErrorDescription(const WebKit::WebURLError& error);
   virtual void setClientWindowRect(const WebKit::WebRect& rect);
+  virtual void enableAutoResizeMode(const WebKit::WebSize& min_size,
+                                    const WebKit::WebSize& max_size);
+  virtual void disableAutoResizeMode(const WebKit::WebSize& new_size);
   virtual void showDevTools();
   virtual void closeDevTools();
   virtual void evaluateInWebInspector(long call_id, const std::string& script);