[Mac] Convert the page info window to a bubble.

chrome/browser/cocoa/location_bar/location_icon_decoration.h

Index: chrome/browser/cocoa/location_bar/location_icon_decoration.h
diff --git a/chrome/browser/cocoa/location_bar/location_icon_decoration.h b/chrome/browser/cocoa/location_bar/location_icon_decoration.h
index 028a0abf501f2e7deed9de4ba41c4cca1fcf5b21..4cba72ff99bc8e37826acf56cd85968c0b4df361 100644
--- a/chrome/browser/cocoa/location_bar/location_icon_decoration.h
+++ b/chrome/browser/cocoa/location_bar/location_icon_decoration.h
@@ -28,6 +28,10 @@ class LocationIconDecoration : public ImageDecoration {
     return GetDrawRectInFrame(frame);
   }
 
+  // Get the point where the page info bubble should point within the
+  // decoration's frame, in the |owner_|'s coordinates.
+  NSPoint GetBubblePointInFrame(NSRect frame);
+
   // Show the page info panel on click.
   virtual bool OnMousePressed(NSRect frame);
   virtual bool AcceptsMousePress() { return true; }