Refactor guest view availability to be API not permission based.

chrome/browser/guest_view/web_view/web_view_guest.cc

 // 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/guest_view/web_view/web_view_guest.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 30 matching lines @@
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/media_stream_request.h"
 #include "content/public/common/page_zoom.h"
 #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 "ipc/ipc_message_macros.h"
 #include "net/base/escape.h"
 #include "net/base/net_errors.h"
 #include "third_party/WebKit/public/web/WebFindOptions.h"
 #include "ui/base/models/simple_menu_model.h"
 
 #if defined(ENABLE_PRINTING)
 #if defined(ENABLE_FULL_PRINTING)
 #include "chrome/browser/printing/print_preview_message_handler.h"
 #include "chrome/browser/printing/print_view_manager.h"
@@ skipping 154 matching lines @@
     // TODO(lazyboy): We need to expose some kind of enum equivalent of
     // |command_id| instead of plain integers.
     item_value->SetInteger(webview::kMenuItemCommandId,
                            menu_model.GetCommandIdAt(i));
     item_value->SetString(webview::kMenuItemLabel, menu_model.GetLabelAt(i));
     items->Append(item_value);
   }
   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);
+const char* WebViewGuest::GetAPINamespace() {
+  return webview::kAPINamespace;
 }
 
 void WebViewGuest::CreateWebContents(
     const std::string& embedder_extension_id,
     int embedder_render_process_id,
     const base::DictionaryValue& create_params,
     const WebContentsCreatedCallback& callback) {
   content::RenderProcessHost* embedder_render_process_host =
       content::RenderProcessHost::FromID(embedder_render_process_id);
   std::string storage_partition_id;
@@ skipping 314 matching lines @@
       GuestViewManager::FromBrowserContext(browser_context());
   // Set the attach params to use the same partition as the opener.
   // We pull the partition information from the site's URL, which is of the
   // form guest://site/{persist}?{partition_name}.
   const GURL& site_url = guest_web_contents()->GetSiteInstance()->GetSiteURL();
   const std::string storage_partition_id =
       GetStoragePartitionIdFromSiteURL(site_url);
   base::DictionaryValue create_params;
   create_params.SetString(webview::kStoragePartitionId, storage_partition_id);
 
-  guest_manager->CreateGuest(
-      WebViewGuest::Type,
-      embedder_extension_id(),
-      embedder_web_contents()->GetRenderProcessHost()->GetID(),
-      create_params,
-      base::Bind(&WebViewGuest::NewGuestWebViewCallback,
-                 base::Unretained(this), params));
+  guest_manager->CreateGuest(WebViewGuest::Type,
+                             embedder_extension_id(),
+                             embedder_web_contents(),
+                             create_params,
+                             base::Bind(&WebViewGuest::NewGuestWebViewCallback,
+                                        base::Unretained(this),
+                                        params));
 }
 
 void WebViewGuest::NewGuestWebViewCallback(
     const content::OpenURLParams& params,
     content::WebContents* guest_web_contents) {
   WebViewGuest* new_guest = WebViewGuest::FromWebContents(guest_web_contents);
   new_guest->SetOpener(this);
 
   // Take ownership of |new_guest|.
   pending_new_windows_.insert(
@@ skipping 672 matching lines @@
     bool allow,
     const std::string& user_input) {
   WebViewGuest* guest =
       WebViewGuest::From(embedder_render_process_id(), new_window_instance_id);
   if (!guest)
     return;
 
   if (!allow)
     guest->Destroy();
 }