Implement support for <extensionoptions> embedding in WebUI

chrome/renderer/chrome_content_renderer_client.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/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
@@ skipping 227 matching lines @@
   // Treat CDM invocations like JavaScript.
   if (plugin.name == ASCIIToUTF16(kWidevineCdmDisplayName)) {
     DCHECK(plugin.type == WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS);
     return true;
   }
 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
 
   return false;
 }
 
+void IsGuestViewApiAvailableToScriptContext(
+  bool* api_is_available, extensions::ScriptContext* context) {
+  if (context->GetAvailability("appViewInternal").is_available() ||
+      context->GetAvailability("extensionOptionsInternal").is_available() ||
+      context->GetAvailability("guestViewInternal").is_available()) {

[not at google - send to devlin, 2014/08/08 14:08:15]

why is just the guestViewInternal check not enough?

[Fady Samuel, 2014/08/08 14:12:13]

I think it is enough.

+    *api_is_available = true;
+  }
+}
+
 }  // namespace
 
 ChromeContentRendererClient::ChromeContentRendererClient() {
   g_current_client = this;
 
   extensions::ExtensionsClient::Set(
       extensions::ChromeExtensionsClient::GetInstance());
   extensions::ExtensionsRendererClient::Set(
       ChromeExtensionsRendererClient::GetInstance());
 #if defined(ENABLE_PLUGINS)
@@ skipping 255 matching lines @@
   return extension_dispatcher_->extensions()->GetByID(extension_id);
 }
 
 bool ChromeContentRendererClient::OverrideCreatePlugin(
     content::RenderFrame* render_frame,
     WebLocalFrame* frame,
     const WebPluginParams& params,
     WebPlugin** plugin) {
   std::string orig_mime_type = params.mimeType.utf8();
   if (orig_mime_type == content::kBrowserPluginMimeType) {
-    WebDocument document = frame->document();
-    const Extension* extension =
-        GetExtensionByOrigin(document.securityOrigin());
-    if (extension) {
-      const extensions::APIPermission::ID perms[] = {
-          extensions::APIPermission::kAppView,
-          extensions::APIPermission::kEmbeddedExtensionOptions,
-          extensions::APIPermission::kWebView,
-      };
-      for (size_t i = 0; i < arraysize(perms); ++i) {
-        if (extension->permissions_data()->HasAPIPermission(perms[i]))
-          return false;
-      }
-    }
+    bool guest_view_api_available = false;
+    extension_dispatcher_->script_context_set().ForEach(
+        render_frame->GetRenderView(),
+        base::Bind(&IsGuestViewApiAvailableToScriptContext,
+                   &guest_view_api_available));
+    if (guest_view_api_available)
+      return false;
   }
 
   ChromeViewHostMsg_GetPluginInfo_Output output;
 #if defined(ENABLE_PLUGINS)
   render_frame->Send(new ChromeViewHostMsg_GetPluginInfo(
       render_frame->GetRoutingID(), GURL(params.url),
       frame->top()->document().url(), orig_mime_type, &output));
 
   if (output.plugin.type == content::WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN)
     return false;
@@ skipping 954 matching lines @@
 
   if (IsExtensionOrSharedModuleWhitelisted(url, allowed_video_decode_origins_))
     return true;
 
   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
   return channel <= chrome::VersionInfo::CHANNEL_DEV;
 #else
   return false;
 #endif
 }