mac: Fix size of dragged image from omnibox.

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

Index: chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
index 7d8cb9a287dd2eadc1fcc6cd3d5bd4c23225aa93..122ad6a327aaec1572baf7423999306f07b6ffbf 100644
--- a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
+++ b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.mm
@@ -120,7 +120,9 @@ BOOL ThePasteboardIsTooDamnBig() {
         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];