Refactor guest view availability to be API not permission based.

chrome/browser/guest_view/guest_view_manager.h

Index: chrome/browser/guest_view/guest_view_manager.h
diff --git a/chrome/browser/guest_view/guest_view_manager.h b/chrome/browser/guest_view/guest_view_manager.h
index bf46ae9e3b6e085939d6d2ab0996ac9fb2067811..abf1c19b60b2222005f2b67238d893d3890b3bb4 100644
--- a/chrome/browser/guest_view/guest_view_manager.h
+++ b/chrome/browser/guest_view/guest_view_manager.h
@@ -21,6 +21,7 @@ class GURL;
 
 namespace content {
 class BrowserContext;
+class WebContents;
 }  // namespace content
 
 namespace guestview {
@@ -53,12 +54,12 @@ class GuestViewManager : public content::BrowserPluginGuestManager,
 
   typedef base::Callback<void(content::WebContents*)>
       WebContentsCreatedCallback;
-  void CreateGuest(
-      const std::string& view_type,
-      const std::string& embedder_extension_id,
-      int embedder_render_process_id,
-      const base::DictionaryValue& create_params,
-      const WebContentsCreatedCallback& callback);
+  void CreateGuest(const std::string& view_type,
+                   const std::string& embedder_extension_id,
+                   int embedder_render_process_id,
+                   content::WebContents* embedder_web_contents,

[not at google - send to devlin, 2014/07/31 22:07:45]

Pity I needed to do this, all I want is a URL.

+                   const base::DictionaryValue& create_params,
+                   const WebContentsCreatedCallback& callback);
 
   content::WebContents* CreateGuestWithWebContentsParams(
       const std::string& view_type,