Implement <appview> skeleton.

chrome/renderer/extensions/chrome_extensions_dispatcher_delegate.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/renderer/extensions/chrome_extensions_dispatcher_delegate.h"
 
 #include "base/command_line.h"
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 217 matching lines @@
   source_map->RegisterSource("webstore", IDR_WEBSTORE_CUSTOM_BINDINGS_JS);
   source_map->RegisterSource("windowControls", IDR_WINDOW_CONTROLS_JS);
 
   // Custom types sources.
   source_map->RegisterSource("ChromeSetting", IDR_CHROME_SETTING_JS);
   source_map->RegisterSource("ContentSetting", IDR_CONTENT_SETTING_JS);
   source_map->RegisterSource("ChromeDirectSetting",
                              IDR_CHROME_DIRECT_SETTING_JS);
 
   // Platform app sources that are not API-specific..
+  source_map->RegisterSource("appView", IDR_APP_VIEW_JS);
   source_map->RegisterSource("tagWatcher", IDR_TAG_WATCHER_JS);
   source_map->RegisterSource("webViewInternal",
                              IDR_WEB_VIEW_INTERNAL_CUSTOM_BINDINGS_JS);
   // Note: webView not webview so that this doesn't interfere with the
   // chrome.webview API bindings.
   source_map->RegisterSource("webView", IDR_WEB_VIEW_JS);
   source_map->RegisterSource("webViewEvents", IDR_WEB_VIEW_EVENTS_JS);
   source_map->RegisterSource("webViewExperimental",
                              IDR_WEB_VIEW_EXPERIMENTAL_JS);
   source_map->RegisterSource("webViewRequest",
                              IDR_WEB_VIEW_REQUEST_CUSTOM_BINDINGS_JS);
+  source_map->RegisterSource("denyAppView", IDR_APP_VIEW_DENY_JS);
   source_map->RegisterSource("denyWebView", IDR_WEB_VIEW_DENY_JS);
   source_map->RegisterSource("injectAppTitlebar", IDR_INJECT_APP_TITLEBAR_JS);
 }
 
 void ChromeExtensionsDispatcherDelegate::RequireAdditionalModules(
     extensions::ModuleSystem* module_system,
     const extensions::Extension* extension,
     extensions::Feature::Context context_type,
     bool is_within_platform_app) {
+  // TODO(kalman, fsamuel): Eagerly calling Require on context startup is
+  // expensive. It would be better if there were a light way of detecting when
+  // a webview or appview is created and only then set up the infrastructure.
   if (context_type == extensions::Feature::BLESSED_EXTENSION_CONTEXT &&
       is_within_platform_app &&
       extensions::GetCurrentChannel() <= chrome::VersionInfo::CHANNEL_DEV &&
       CommandLine::ForCurrentProcess()->HasSwitch(
           ::switches::kEnableAppWindowControls)) {
     module_system->Require("windowControls");
   }
 
   // We used to limit WebView to |BLESSED_EXTENSION_CONTEXT| within platform
   // apps. An ext/app runs in a blessed extension context, if it is the active
@@ skipping 19 matching lines @@
             hexencoded_id_hash == "E703483CEF33DEC18B4B6DD84B5C776FB9182BDB" ||
             hexencoded_id_hash == "1A26E32DE447A17CBE5E9750CDBA78F58539B39C" ||
             hexencoded_id_hash == "59048028102D7B4C681DBC7BC6CD980C3DC66DA3") {
           module_system->Require("webViewExperimental");
         }
       }
     } else {
       module_system->Require("denyWebView");
     }
   }
+
+  if (context_type == extensions::Feature::BLESSED_EXTENSION_CONTEXT) {
+    if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableAppView) &&
+        extension->permissions_data()->HasAPIPermission(
+            extensions::APIPermission::kAppView)) {
+      module_system->Require("appView");
+    } else {
+      module_system->Require("denyAppView");
+    }
+  }
 }
 
 void ChromeExtensionsDispatcherDelegate::OnActiveExtensionsUpdated(
     const std::set<std::string>& extension_ids) {
   // In single-process mode, the browser process reports the active extensions.
   if (CommandLine::ForCurrentProcess()->HasSwitch(::switches::kSingleProcess))
     return;
   crash_keys::SetActiveExtensions(extension_ids);
 }
 
@@ skipping 41 matching lines @@
       new extensions::PermissionSet(extensions::APIPermissionSet(),
                                     extensions::ManifestPermissionSet(),
                                     origin_set,
                                     extensions::URLPatternSet()));
 }
 
 void ChromeExtensionsDispatcherDelegate::HandleWebRequestAPIUsage(
     bool webrequest_used) {
   webrequest_used_ = webrequest_used;
 }