Move MatchPattern to its own header and the base namespace.

extensions/common/manifest_test.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 "extensions/common/manifest_test.h"
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/path_service.h"
+#include "base/strings/pattern.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "extensions/common/extension_l10n_util.h"
 #include "extensions/common/extension_paths.h"
 #include "extensions/common/test_util.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace extensions {
 namespace {
 
@@ skipping 139 matching lines @@
 }
 
 void ManifestTest::VerifyExpectedError(
     Extension* extension,
     const std::string& name,
     const std::string& error,
     const std::string& expected_error) {
   EXPECT_FALSE(extension) <<
       "Expected failure loading extension '" << name <<
       "', but didn't get one.";
-  EXPECT_TRUE(MatchPattern(error, expected_error)) << name <<
-      " expected '" << expected_error << "' but got '" << error << "'";
+  EXPECT_TRUE(base::MatchPattern(error, expected_error))
+      << name << " expected '" << expected_error << "' but got '" << error
+      << "'";
 }
 
 void ManifestTest::LoadAndExpectError(
     const ManifestData& manifest,
     const std::string& expected_error,
     extensions::Manifest::Location location,
     int flags) {
   std::string error;
   scoped_refptr<Extension> extension(
       LoadExtension(manifest, &error, location, flags));
@@ skipping 71 matching lines @@
       break;
     case EXPECT_TYPE_SUCCESS:
       LoadAndExpectSuccess(testcase.manifest_filename_.c_str(),
                            testcase.location_,
                            testcase.flags_);
       break;
    }
 }
 
 }  // namespace extensions