Fix http://crbug.com/13971: OSX: Text copied from Omnibox is styled

chrome/browser/cocoa/browser_window_controller.mm

Index: chrome/browser/cocoa/browser_window_controller.mm
diff --git a/chrome/browser/cocoa/browser_window_controller.mm b/chrome/browser/cocoa/browser_window_controller.mm
index f363008b100244e610cab9ccbabdbbb2f0a8ed95..d071f7c8d5a44879d13e391edb835e8f2b5ee56b 100644
--- a/chrome/browser/cocoa/browser_window_controller.mm
+++ b/chrome/browser/cocoa/browser_window_controller.mm
@@ -766,4 +766,10 @@ willPositionSheet:(NSWindow *)sheet
     browser_->ExecuteCommand(command);
 }
 
+- (id)windowWillReturnFieldEditor:(NSWindow*)sender toObject:(id)obj {
+  // Ask the toolbar controller if it wants to return a custom field editor
+  // for the specific object.
+  return [toolbarController_ customFieldEditorForObject:obj];
+}
+
 @end