Use WebContents instead of Browser to construct PermissionPrompt

chrome/browser/ui/cocoa/website_settings/permission_bubble_cocoa.mm

 // Copyright 2014 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.
 
 #include "chrome/browser/ui/cocoa/website_settings/permission_bubble_cocoa.h"
 
 #include "base/memory/ptr_util.h"
+#import "chrome/browser/ui/browser_finder.h"
 #import "chrome/browser/ui/cocoa/base_bubble_controller.h"
 #import "chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.h"
 #import "chrome/browser/ui/website_settings/permission_prompt.h"
 #include "content/public/browser/web_contents.h"
 #import "ui/base/cocoa/nsview_additions.h"
 
-PermissionBubbleCocoa::PermissionBubbleCocoa(Browser* browser)
-    : browser_(browser), delegate_(nullptr), bubbleController_(nil) {
-  DCHECK(browser);
+PermissionBubbleCocoa::PermissionBubbleCocoa(content::WebContents* web_contents)
+    : browser_(chrome::FindBrowserWithWebContents(web_contents)),
+      delegate_(nullptr),
+      bubbleController_(nil) {
+  DCHECK(browser_);
 }
 
 PermissionBubbleCocoa::~PermissionBubbleCocoa() {
 }
 
 void PermissionBubbleCocoa::Show(
     const std::vector<PermissionRequest*>& requests,
     const std::vector<bool>& accept_state) {
   if (!bubbleController_) {
     bubbleController_ =
@@ skipping 28 matching lines @@
   [bubbleController_ updateAnchorPosition];
 }
 
 gfx::NativeWindow PermissionBubbleCocoa::GetNativeWindow() {
   return [bubbleController_ window];
 }
 
 void PermissionBubbleCocoa::OnBubbleClosing() {
   bubbleController_ = nil;
 }