Move core web_view code to extensions.

extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.h

Index: extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.h
diff --git a/extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.h b/extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.h
index ac0aefc75d1b3ee370865c0427083601505fd815..b43b73a3f74e519563c3588b3234efcd98aa6dc7 100644
--- a/extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.h
+++ b/extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.h
@@ -8,6 +8,7 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/media_stream_request.h"
+#include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 
 namespace extensions {
 
@@ -15,7 +16,8 @@ namespace extensions {
 // not a part of extensions.
 class WebViewPermissionHelperDelegate : public content::WebContentsObserver {
  public:
-  explicit WebViewPermissionHelperDelegate(content::WebContents* contents);
+  explicit WebViewPermissionHelperDelegate(
+      WebViewPermissionHelper* web_view_permission_helper);
   virtual ~WebViewPermissionHelperDelegate();
 
   virtual void RequestMediaAccessPermission(
@@ -83,7 +85,13 @@ class WebViewPermissionHelperDelegate : public content::WebContentsObserver {
       bool blocked_by_policy,
       IPC::Message* reply_msg) {}
 
+  WebViewPermissionHelper* web_view_permission_helper() const {
+    return web_view_permission_helper_;
+  }
+
  private:
+  WebViewPermissionHelper* const web_view_permission_helper_;
+
   DISALLOW_COPY_AND_ASSIGN(WebViewPermissionHelperDelegate);
 };