Implement support for <extensionoptions> embedding in WebUI

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index d2a85a59fc0b156f0dd142ea6967843f8ed51c3b..6fb46d6c278681346b22fec179a164521de42ee2 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -245,6 +245,14 @@ bool ShouldUseJavaScriptSettingForPlugin(const WebPluginInfo& plugin) {
   return false;
 }
 
+void IsGuestViewApiAvailableToScriptContext(
+    bool* api_is_available,
+    extensions::ScriptContext* context) {
+  if (context->GetAvailability("guestViewInternal").is_available()) {
+    *api_is_available = true;
+  }
+}
+
 }  // namespace
 
 ChromeContentRendererClient::ChromeContentRendererClient() {
@@ -520,20 +528,13 @@ bool ChromeContentRendererClient::OverrideCreatePlugin(
     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;