Fix dragging supported files to tab strip.

chrome/browser/ui/views/tabs/tab_strip_controller.h

Index: chrome/browser/ui/views/tabs/tab_strip_controller.h
diff --git a/chrome/browser/ui/views/tabs/tab_strip_controller.h b/chrome/browser/ui/views/tabs/tab_strip_controller.h
index afe7a23a3b727b888a6388d86370b6fe214b3cff..388a2f8f38e4e4ba2283f6ad08acd3b654f13c41 100644
--- a/chrome/browser/ui/views/tabs/tab_strip_controller.h
+++ b/chrome/browser/ui/views/tabs/tab_strip_controller.h
@@ -21,6 +21,8 @@ namespace ui {
 class ListSelectionModel;
 }
 
+class Profile;

[asanka, 2013/11/25 22:35:05]

Nit: unneeded?

[michaelpg, 2013/11/25 23:02:35]

right, thanks!

+
 // Model/Controller for the TabStrip.
 // NOTE: All indices used by this class are in model coordinates.
 class TabStripController {
@@ -112,6 +114,10 @@ class TabStripController {
   // This is also called when the tabs that the user is dragging were detached
   // from this tabstrip but the user is still dragging the tabs.
   virtual void OnStoppedDraggingTabs() = 0;
+
+  // Determines whether the file specified by the URL is supported. Should
+  // invoke TabStrip::FileSupported to report the result.
+  virtual void CheckFileSupported(GURL url) = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_CONTROLLER_H_