Implemented drop hander for the Home toolbar button that accepts (only) links

chrome/browser/ui/views/toolbar_view.h

Index: chrome/browser/ui/views/toolbar_view.h
===================================================================
--- chrome/browser/ui/views/toolbar_view.h	(revision 175785)
+++ chrome/browser/ui/views/toolbar_view.h	(working copy)
@@ -31,6 +31,22 @@
 class MenuListener;
 }
 
+class HomeImageButton : public views::ImageButton {

[Peter Kasting, 2013/01/17 23:48:42]

Nit: We should declare this in its own header, like we do with e.g. the reload
button.

[Tom Cassiotis, 2013/01/18 15:18:49]

Done.

+ public:
+  HomeImageButton(views::ButtonListener* listener, Browser* browser);
+  virtual ~HomeImageButton();
+
+  virtual bool GetDropFormats(
+      int* formats,
+      std::set<OSExchangeData::CustomFormat>* custom_formats) OVERRIDE;
+  virtual bool CanDrop(const OSExchangeData& data) OVERRIDE;
+  virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE;
+  virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE;
+
+ private:
+  Browser* browser_;
+};
+
 // The Browser Window's toolbar.
 class ToolbarView : public views::AccessiblePaneView,
                     public views::MenuButtonListener,
@@ -201,7 +217,7 @@
   views::ImageButton* back_;
   views::ImageButton* forward_;
   ReloadButton* reload_;
-  views::ImageButton* home_;
+  HomeImageButton* home_;
   LocationBarView* location_bar_;
   BrowserActionsContainer* browser_actions_;
   views::MenuButton* app_menu_;