Allow whitelisted content scripts to be injected in WebViews.

extensions/common/permissions/permissions_data.cc

 // Copyright (c) 2013 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 "extensions/common/permissions/permissions_data.h"
 
 #include "base/command_line.h"
 #include "content/public/common/url_constants.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/error_utils.h"
@@ skipping 31 matching lines @@
 
 PermissionsData::~PermissionsData() {
 }
 
 // static
 void PermissionsData::SetPolicyDelegate(PolicyDelegate* delegate) {
   g_policy_delegate = delegate;
 }
 
 // static
+bool PermissionsData::IsExtensionIdWhitelisted(
+    const std::string& extension_id) {
+  const ExtensionsClient::ScriptingWhitelist& whitelist =
+      ExtensionsClient::Get()->GetScriptingWhitelist();
+
+  return std::find(whitelist.begin(), whitelist.end(), extension_id) !=
+         whitelist.end();
+}
+
+// static
 bool PermissionsData::CanExecuteScriptEverywhere(const Extension* extension) {
   if (extension->location() == Manifest::COMPONENT)
     return true;
 
-  const ExtensionsClient::ScriptingWhitelist& whitelist =
-      ExtensionsClient::Get()->GetScriptingWhitelist();
-
-  return std::find(whitelist.begin(), whitelist.end(), extension->id()) !=
-         whitelist.end();
+  return IsExtensionIdWhitelisted(extension->id());
 }
 
 // static
 bool PermissionsData::ScriptsMayRequireActionForExtension(
     const Extension* extension,
     const PermissionSet* permissions) {
   // An extension may require user action to execute scripts iff the extension
   // shows up in chrome:extensions (so the user can grant withheld permissions),
   // is not part of chrome or corporate policy, not on the scripting whitelist,
   // and requires enough permissions that we should withhold them.
@@ skipping 306 matching lines @@
     return ACCESS_WITHHELD;
 
   if (error) {
     *error = ErrorUtils::FormatErrorMessage(manifest_errors::kCannotAccessPage,
                                             document_url.spec());
   }
   return ACCESS_DENIED;
 }
 
 }  // namespace extensions