Change picker model API to allow less notification messages

chrome/browser/ui/intents/web_intent_picker_model.h

Index: chrome/browser/ui/intents/web_intent_picker_model.h
diff --git a/chrome/browser/ui/intents/web_intent_picker_model.h b/chrome/browser/ui/intents/web_intent_picker_model.h
index 41a5adc656793a8be7dc160658a74be4ebc98a09..c370f99b1b834bec3bdda0ac994ccdf644e38f09 100644
--- a/chrome/browser/ui/intents/web_intent_picker_model.h
+++ b/chrome/browser/ui/intents/web_intent_picker_model.h
@@ -108,14 +108,9 @@ class WebIntentPickerModel {
   // Update the favicon for the intent service at |index| to |image|.
   void UpdateFaviconAt(size_t index, const gfx::Image& image);
 
-  // Add a new suggested extension with |id|, |title| and |average_rating| to
-  // the picker.
-  void AddSuggestedExtension(const string16& title,
-                             const string16& id,
-                             double average_rating);
-
-  // Remove a suggested extension from the picker at |index|.
-  void RemoveSuggestedExtensionAt(size_t index);
+  // Add a list of suggested extensions to the model.
+  void AddSuggestedExtensions(
+      const std::vector<SuggestedExtension>& suggestions);
 
   // Return the suggested extension at |index|.
   const SuggestedExtension& GetSuggestedExtensionAt(size_t index) const;
@@ -150,9 +145,8 @@ class WebIntentPickerModel {
   // is owned by this model.
   std::vector<InstalledService*> installed_services_;
 
-  // A vector of all suggested extensions in the picker. Each element is owned
-  // by this model.
-  std::vector<SuggestedExtension*> suggested_extensions_;
+  // A vector of all suggested extensions in the picker.
+  std::vector<SuggestedExtension> suggested_extensions_;
 
   // The observer to send notifications to, or NULL if none. Not owned.
   WebIntentPickerModelObserver* observer_;