mac: Fix size of dragged image from omnibox.

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.h"
 
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"  // IDC_*
@@ skipping 102 matching lines @@
   AutocompleteTextFieldObserver* observer = [self observer];
   DCHECK(observer);
   if (observer && observer->CanCopy()) {
     NSPoint p;
     NSImage* image = [self dragImageForSelectionWithEvent:event origin:&p];
 
     base::scoped_nsobject<NSPasteboardItem> item(
         observer->CreatePasteboardItem());
     base::scoped_nsobject<NSDraggingItem> dragItem(
         [[NSDraggingItem alloc] initWithPasteboardWriter:item]);
-    [dragItem setDraggingFrame:[self bounds] contents:image];
+    NSRect draggingFrame =
+        NSMakeRect(0, 0, image.size.width, image.size.height);
+    [dragItem setDraggingFrame:draggingFrame contents:image];
     [self beginDraggingSessionWithItems:@[ dragItem.get() ]
                                   event:event
                                  source:self];
     DCHECK(!gInDrag);
     gInDrag = true;
     while (gInDrag) {
       [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
                                beforeDate:[NSDate distantFuture]];
     }
 
@@ skipping 450 matching lines @@
       [[self delegate] suggestText],
       [[self delegate] suggestColor],
       self,
       [self bounds]);
   AutocompleteTextFieldObserver* observer = [self observer];
   if (observer)
     observer->OnDidDrawRect();
 }
 
 @end