[Extensions] Adjust script injection reporting to the browser side

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"
 #include "extensions/common/extension.h"
 #include "extensions/common/extensions_client.h"
+#include "extensions/common/manifest.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/manifest_handlers/permissions_parser.h"
 #include "extensions/common/permissions/permission_message_provider.h"
 #include "extensions/common/switches.h"
 #include "extensions/common/url_pattern_set.h"
 #include "url/gurl.h"
 #include "url/url_constants.h"
 
 namespace extensions {
 
@@ skipping 35 matching lines @@
   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();
 }
 
+// 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.
+  return extension->ShouldDisplayInExtensionSettings() &&
+      !Manifest::IsPolicyLocation(extension->location()) &&
+      !Manifest::IsComponentLocation(extension->location()) &&
+      !CanExecuteScriptEverywhere(extension) &&
+      permissions->ShouldWarnAllHosts();
+}
+
 bool PermissionsData::ShouldSkipPermissionWarnings(
     const std::string& extension_id) {
   // See http://b/4946060 for more details.
   return extension_id == std::string("nckgahadagoaajjgafhacjanaoiihapd");
 }
 
 // static
 bool PermissionsData::IsRestrictedUrl(const GURL& document_url,
                                       const GURL& top_frame_url,
                                       const Extension* extension,
@@ skipping 285 matching lines @@
     return ACCESS_WITHHELD;
 
   if (error) {
     *error = ErrorUtils::FormatErrorMessage(manifest_errors::kCannotAccessPage,
                                             document_url.spec());
   }
   return ACCESS_DENIED;
 }
 
 }  // namespace extensions