Make sure controller is properly reset when the picker is closed.

chrome/browser/ui/intents/web_intent_picker_controller.h

Index: chrome/browser/ui/intents/web_intent_picker_controller.h
diff --git a/chrome/browser/ui/intents/web_intent_picker_controller.h b/chrome/browser/ui/intents/web_intent_picker_controller.h
index 2621e4cc90e4b6bb444b6c912456bc6d5ec06a40..08d1eda0500b78868d7a86928bbe8858983b5d8a 100644
--- a/chrome/browser/ui/intents/web_intent_picker_controller.h
+++ b/chrome/browser/ui/intents/web_intent_picker_controller.h
@@ -179,6 +179,9 @@ class WebIntentPickerController
   // Called whenever intent data (both from registry and CWS) arrives.
   void OnIntentDataArrived();
 
+  // Reset internal state to default values.
+  void Reset();
+
   typedef base::Callback<void(const gfx::Image&)>
       ExtensionIconAvailableCallback;
   // Called on a worker thread to decode and resize the extension's icon.