[Mac] Simplify getting page-action info-bubble point.

chrome/browser/cocoa/location_bar/autocomplete_text_field_cell.mm

 // Copyright (c) 2010 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/cocoa/location_bar/autocomplete_text_field_cell.h"
 
 #include "base/logging.h"
 #import "chrome/browser/cocoa/image_utils.h"
 #import "chrome/browser/cocoa/location_bar/location_bar_decoration.h"
 
@@ skipping 432 matching lines @@
     return NSZeroRect;
 
   for (AutocompleteTextFieldIcon* icon in [self layedOutIcons:cellFrame]) {
     if (view == [icon view])
       return [icon rect];
   }
   NOTREACHED();
   return NSZeroRect;
 }
 
-- (NSRect)pageActionFrameForExtensionAction:(ExtensionAction*)action
-                                    inFrame:(NSRect)cellFrame {
-  const size_t pageActionCount = [self pageActionCount];
-  size_t pos = 0;
-  while (pos < pageActionCount &&
-      action != page_action_views_->ViewAt(pos)->page_action())
-    ++pos;
-  return (pos == pageActionCount) ? NSZeroRect :
-      [self pageActionFrameForIndex:pos inFrame:cellFrame];
-}
-
 - (void)drawHintWithFrame:(NSRect)cellFrame inView:(NSView*)controlView {
   DCHECK(hintString_);
 
   NSRect textFrame = [self textFrameForFrame:cellFrame];
   NSRect infoFrame(NSMakeRect(NSMaxX(textFrame),
                               cellFrame.origin.y + kHintYOffset,
                               ceil([hintString_ size].width),
                               cellFrame.size.height - kHintYOffset));
   [hintString_.get() drawInRect:infoFrame];
 }
@@ skipping 214 matching lines @@
   }
 
   return YES;
 }
 
 - (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal {
   return NSDragOperationCopy;
 }
 
 @end