Mac Web Intents Part 1: Show extension download progress

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 78d3c37b2cc718a3599e641c654715049b24985b..05d07890d27d894120a0ec2a47c365598e7c4ad2 100644
--- a/chrome/browser/ui/intents/web_intent_picker_controller.h
+++ b/chrome/browser/ui/intents/web_intent_picker_controller.h
@@ -113,9 +113,15 @@ class WebIntentPickerController
   virtual void OnClosing() OVERRIDE;
 
   // extensions::WebstoreInstaller::Delegate implementation.
+  virtual void OnExtensionDownloadStarted(const std::string& id,
+                                          content::DownloadItem* item) OVERRIDE;
+  virtual void OnExtensionDownloadProgress(
+      const std::string& id,
+      content::DownloadItem* item) OVERRIDE;
   virtual void OnExtensionInstallSuccess(const std::string& id) OVERRIDE;
   virtual void OnExtensionInstallFailure(const std::string& id,
-                                         const std::string& error) OVERRIDE;
+                                         const std::string& error,
+                                         bool cancelled) OVERRIDE;
 
  private:
   friend class WebIntentPickerControllerTest;
@@ -244,6 +250,12 @@ class WebIntentPickerController
   // loading the picker model and showing the dialog.
   void ShowDialog(bool suppress_defaults);
 
+  // Update the download progress and status string.
+  void UpdateDownloadState(const std::string& id, content::DownloadItem* item);
+
+  // Cancel a pending download if any.
+  void CancelDownload();
+
   WebIntentPickerState dialog_state_;  // Current state of the dialog.
 
   // A weak pointer to the tab contents that the picker is displayed on.
@@ -324,6 +336,9 @@ class WebIntentPickerController
   // |intents_dispatcher_| is set.
   web_intents::UMABucket uma_bucket_;
 
+  // The ID of a pending extension download.
+  content::DownloadId download_id_;
+
   DISALLOW_COPY_AND_ASSIGN(WebIntentPickerController);
 };