Refactor guest view availability to be API not permission based.

chrome/browser/guest_view/web_view/web_view_guest.cc

Index: chrome/browser/guest_view/web_view/web_view_guest.cc
diff --git a/chrome/browser/guest_view/web_view/web_view_guest.cc b/chrome/browser/guest_view/web_view/web_view_guest.cc
index 8ee9dcc596231ba8336bf8448b5b02b029fba101..e645524a12ed1c6a6d7a69efd9c2bead1a4911b9 100644
--- a/chrome/browser/guest_view/web_view/web_view_guest.cc
+++ b/chrome/browser/guest_view/web_view/web_view_guest.cc
@@ -48,10 +48,10 @@
 #include "content/public/common/result_codes.h"
 #include "content/public/common/stop_find_action.h"
 #include "content/public/common/url_constants.h"
-#include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/constants.h"
-#include "extensions/common/permissions/permissions_data.h"
+#include "extensions/common/features/feature.h"
+#include "extensions/common/features/feature_provider.h"
 #include "ipc/ipc_message_macros.h"
 #include "net/base/escape.h"
 #include "net/base/net_errors.h"
@@ -226,16 +226,9 @@ scoped_ptr<base::ListValue> WebViewGuest::MenuModelToValue(
   return items.Pass();
 }
 
-bool WebViewGuest::CanEmbedderUseGuestView(
-    const std::string& embedder_extension_id) {
-  const extensions::Extension* embedder_extension =
-      extensions::ExtensionRegistry::Get(browser_context())
-          ->enabled_extensions()
-          .GetByID(embedder_extension_id);
-  if (!embedder_extension)
-    return false;
-  return embedder_extension->permissions_data()->HasAPIPermission(
-      extensions::APIPermission::kWebView);
+extensions::Feature* WebViewGuest::GetFeature() {
+  return extensions::FeatureProvider::GetAPIFeatures()->GetFeature(
+      "webViewInternal");
 }
 
 void WebViewGuest::CreateWebContents(
@@ -574,9 +567,11 @@ void WebViewGuest::CreateNewGuestWebViewWindow(
       WebViewGuest::Type,
       embedder_extension_id(),
       embedder_web_contents()->GetRenderProcessHost()->GetID(),
+      embedder_web_contents(),
       create_params,
       base::Bind(&WebViewGuest::NewGuestWebViewCallback,
-                 base::Unretained(this), params));
+                 base::Unretained(this),
+                 params));
 }
 
 void WebViewGuest::NewGuestWebViewCallback(