Drive: Mount/Unmount GoogleDrive on Files App when the file system is mounted/unmounted.

chrome/browser/chromeos/extensions/file_browser_event_router.h

Index: chrome/browser/chromeos/extensions/file_browser_event_router.h
diff --git a/chrome/browser/chromeos/extensions/file_browser_event_router.h b/chrome/browser/chromeos/extensions/file_browser_event_router.h
index 1e41f85b792179aa6a4d93ce0f640106428a0c34..598e8046e1e164733f49790bb1295e58bf78071c 100644
--- a/chrome/browser/chromeos/extensions/file_browser_event_router.h
+++ b/chrome/browser/chromeos/extensions/file_browser_event_router.h
@@ -52,6 +52,12 @@ class FileBrowserEventRouter
   void RemoveFileWatch(const FilePath& file_path,
                        const std::string& extension_id);
 
+  // GData mount routines.

[satorux1, 2012/08/01 20:59:01]

oh no, please write better function comments. Don't follow bad examples nearby.
:)

[yoshiki, 2012/08/01 22:23:39]

Done.

+  void MountGData(const base::Callback<void(bool)>& callback);

[satorux1, 2012/08/01 20:59:01]

what's bool?

MountGData -> MountDrive(). Historically we've been abusing "gdata" to mean
Drive, but we should stop doing that.

[yoshiki, 2012/08/01 22:23:39]

It is intended to return the result of mount. But it currently always be true.
Done.

+  void OnGDataAuthentication(const base::Callback<void(bool)>& callback,
+                             gdata::GDataErrorCode error,
+                             const std::string& tokeni);
+
   // CrosDisksClient::Observer overrides.
   virtual void DiskChanged(chromeos::disks::DiskMountManagerEventType event,
                            const chromeos::disks::DiskMountManager::Disk* disk)
@@ -82,6 +88,8 @@ class FileBrowserEventRouter
   // gdata::GDataFileSystemInterface::Observer overrides.
   virtual void OnDirectoryChanged(const FilePath& directory_path) OVERRIDE;
   virtual void OnDocumentFeedFetched(int num_accumulated_entries) OVERRIDE;
+  virtual void OnFileSystemMounted() OVERRIDE;
+  virtual void OnFileSystemUnmounting() OVERRIDE;
 
  private:
   friend class FileBrowserEventRouterFactory;