Add an extra argument to the DisplayBalloon method to support custom notification icons.

chrome/browser/ui/views/status_icons/status_icon_win.h

Index: chrome/browser/ui/views/status_icons/status_icon_win.h
diff --git a/chrome/browser/ui/views/status_icons/status_icon_win.h b/chrome/browser/ui/views/status_icons/status_icon_win.h
index a39b0ac7c700779005ede249eda1af36658b5bb7..7a441d3ab79ff657caff35a2b6f4bbc741c25da3 100644
--- a/chrome/browser/ui/views/status_icons/status_icon_win.h
+++ b/chrome/browser/ui/views/status_icons/status_icon_win.h
@@ -9,6 +9,7 @@
 #include <windows.h>
 #include <shellapi.h>
 
+#include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/win/scoped_gdi_object.h"
 #include "chrome/browser/status_icons/status_icon.h"
@@ -24,10 +25,12 @@ class StatusIconWin : public StatusIcon {
   virtual ~StatusIconWin();
 
   // Overridden from StatusIcon:
-  virtual void SetImage(const SkBitmap& image);
-  virtual void SetPressedImage(const SkBitmap& image);
-  virtual void SetToolTip(const string16& tool_tip);
-  virtual void DisplayBalloon(const string16& title, const string16& contents);
+  virtual void SetImage(const SkBitmap& image) OVERRIDE;
+  virtual void SetPressedImage(const SkBitmap& image) OVERRIDE;
+  virtual void SetToolTip(const string16& tool_tip) OVERRIDE;
+  virtual void DisplayBalloon(const SkBitmap& icon,
+                              const string16& title,
+                              const string16& contents) OVERRIDE;
 
   UINT icon_id() const { return icon_id_; }