Move ".crx"/".pem" constants and extension_filenames constants into extensions/common/constants.cc.

chrome/browser/extensions/extension_ui_unittest.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 "base/command_line.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 55 matching lines @@
     return static_cast<DictionaryValue*>(value);
   }
 
   DictionaryValue* CreateExtensionDetailViewFromPath(
       const base::FilePath& extension_path,
       const std::vector<ExtensionPage>& pages,
       Manifest::Location location) {
     std::string error;
 
     base::FilePath manifest_path = extension_path.Append(
-        extensions::kManifestFilename);
+        extensions::filenames::kManifestFilename);
     scoped_ptr<DictionaryValue> extension_data(DeserializeJSONTestData(
         manifest_path, &error));
     EXPECT_EQ("", error);
 
     scoped_refptr<Extension> extension(Extension::Create(
         extension_path, location, *extension_data, Extension::REQUIRE_KEY,
         &error));
     EXPECT_TRUE(extension.get());
     EXPECT_EQ("", error);
 
@@ skipping 185 matching lines @@
 
   scoped_ptr<DictionaryValue> extension_details(
       CreateExtensionDetailViewFromPath(
           extension_path, pages, Manifest::UNPACKED));
 
   base::FilePath::StringType ui_path;
 
   EXPECT_TRUE(extension_details->GetString("path", &ui_path));
   EXPECT_EQ(extension_path, base::FilePath(ui_path));
 }