Add an experimental permissions API for extensions.

chrome/browser/ui/cocoa/extensions/extension_install_dialog_controller.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/extensions/extension_install_dialog_controller.h"
 
 #include "base/mac/mac_util.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
@@ skipping 74 matching lines @@
     delegate_ = delegate;
 
     title_.reset(
         [l10n_util::GetNSStringF(ExtensionInstallUI::kHeadingIds[type],
                                  UTF8ToUTF16(extension->name())) retain]);
     subtitle_.reset(
          [l10n_util::GetNSString(ExtensionInstallUI::kWarningIds[type])
           retain]);
     button_.reset([l10n_util::GetNSString(ExtensionInstallUI::kButtonIds[type])
                    retain]);
+    int cancel_id = ExtensionInstallUI::kAbortButtonIds[type];
+    cancel_button_.reset([l10n_util::GetNSString(
+        cancel_id > 0 ? cancel_id : IDS_CANCEL) retain]);
 
     // We display the warnings as a simple text string, separated by newlines.
     if (!warnings.empty()) {
       string16 joined_warnings;
       for (size_t i = 0; i < warnings.size(); ++i) {
         if (i > 0)
           joined_warnings += UTF8ToUTF16("\n\n");
 
         joined_warnings += warnings[i];
       }
@@ skipping 20 matching lines @@
 
 - (IBAction)ok:(id)sender {
   delegate_->InstallUIProceed();
   [NSApp endSheet:[self window]];
 }
 
 - (void)awakeFromNib {
   [titleField_ setStringValue:title_.get()];
   [subtitleField_ setStringValue:subtitle_.get()];
   [okButton_ setTitle:button_.get()];
+  [cancelButton_ setTitle:cancel_button_.get()];
 
   NSImage* image = gfx::SkBitmapToNSImage(icon_);
   [iconView_ setImage:image];
 
   // Reisze |titleField_| to fit title
   CGFloat originalTitleWidth = [titleField_ frame].size.width;
   [titleField_ sizeToFit];
   CGFloat newTitleWidth = [titleField_ frame].size.width;
   if (newTitleWidth > originalTitleWidth) {
     NSRect frame = [[self window] frame];
@@ skipping 83 matching lines @@
         initWithParentWindow:native_window
                      profile:profile
                    extension:extension
                     delegate:delegate
                         icon:icon
                     warnings:warnings
                         type:type];
 
   [controller runAsModalSheet];
 }