[WebIntents] Cleanup of unused functions/default implementations

chrome/browser/ui/intents/web_intent_inline_disposition_delegate_unittest.cc

Index: chrome/browser/ui/intents/web_intent_inline_disposition_delegate_unittest.cc
diff --git a/chrome/browser/ui/intents/web_intent_inline_disposition_delegate_unittest.cc b/chrome/browser/ui/intents/web_intent_inline_disposition_delegate_unittest.cc
index dd652a18bf77229cab5f07bbd70ec236f62268a9..59e385632a2f2329ca7554ada5562f25f899dbb8 100644
--- a/chrome/browser/ui/intents/web_intent_inline_disposition_delegate_unittest.cc
+++ b/chrome/browser/ui/intents/web_intent_inline_disposition_delegate_unittest.cc
@@ -17,6 +17,11 @@ class WebIntentPickerMock : public WebIntentPicker {
  public:
   virtual void Close() OVERRIDE {}
   virtual void SetActionString(const string16& action) OVERRIDE {}
+  virtual void OnExtensionInstallSuccess(const std::string& id) OVERRIDE {}
+  virtual void OnExtensionInstallFailure(const std::string& id) OVERRIDE {}
+  virtual void OnInlineDispositionAutoResize(const gfx::Size& size) OVERRIDE {}
+  virtual void OnPendingAsyncCompleted() OVERRIDE {}
+
 };
 
 class WebIntentInlineDispositionBrowserTest