<webview>: First stab at implementing media permission request for guests.

chrome/renderer/extensions/dispatcher.cc

 // Copyright (c) 2012 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/dispatcher.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_piece.h"
@@ skipping 662 matching lines @@
   source_map_.RegisterSource("ttsEngine", IDR_TTS_ENGINE_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("types", IDR_TYPES_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("webRequest", IDR_WEB_REQUEST_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("webRequestInternal",
                              IDR_WEB_REQUEST_INTERNAL_CUSTOM_BINDINGS_JS);
   source_map_.RegisterSource("webstore", IDR_WEBSTORE_CUSTOM_BINDINGS_JS);
 
   // Platform app sources that are not API-specific..
   source_map_.RegisterSource("tagWatcher", IDR_TAG_WATCHER_JS);
   source_map_.RegisterSource("webview", IDR_WEB_VIEW_JS);
+  source_map_.RegisterSource("webview.permissionAPI",
+                             IDR_WEB_VIEW_PERMISSION_API_JS);
   source_map_.RegisterSource("denyWebview", IDR_WEB_VIEW_DENY_JS);
   source_map_.RegisterSource("platformApp", IDR_PLATFORM_APP_JS);
   source_map_.RegisterSource("injectAppTitlebar", IDR_INJECT_APP_TITLEBAR_JS);
 }
 
 void Dispatcher::PopulateLazyBindingsMap() {
   lazy_bindings_map_["app"] = InstallAppBindings;
   lazy_bindings_map_["webstore"] = InstallWebstoreBindings;
 }
 
@@ skipping 114 matching lines @@
     }
   }
 
   // Inject custom JS into the platform app context.
   if (IsWithinPlatformApp(frame))
     module_system->Require("platformApp");
 
   if (context_type == Feature::BLESSED_EXTENSION_CONTEXT) {
     bool has_permission = extension->HasAPIPermission(APIPermission::kWebView);
     module_system->Require(has_permission ? "webview" : "denyWebview");
+    if (extension->HasAPIPermission(APIPermission::kWebViewPermissionAPI))
+      module_system->Require("webview.permissionAPI");
   }
 
   context->set_module_system(module_system.Pass());
 
   context->DispatchOnLoadEvent(
       ChromeRenderProcessObserver::is_incognito_process(),
       manifest_version);
 
   VLOG(1) << "Num tracked contexts: " << v8_context_set_.size();
 }
@@ skipping 306 matching lines @@
     std::string error_msg = base::StringPrintf(kMessage, function_name.c_str());
     v8::ThrowException(
         v8::Exception::Error(v8::String::New(error_msg.c_str())));
     return false;
   }
 
   return true;
 }
 
 }  // namespace extensions