Move extension_error_utils.* and url_pattern_set.* into

extensions/common/url_pattern_set_unittest.cc

Index: extensions/common/url_pattern_set_unittest.cc
diff --git a/chrome/common/extensions/url_pattern_set_unittest.cc b/extensions/common/url_pattern_set_unittest.cc
similarity index 99%
rename from chrome/common/extensions/url_pattern_set_unittest.cc
rename to extensions/common/url_pattern_set_unittest.cc
index 56dc518d233c7267cc3320f7d3c929b8a5a127be..55564cfa5a39921ad56826e9e07cf7657acb499c 100644
--- a/chrome/common/extensions/url_pattern_set_unittest.cc
+++ b/extensions/common/url_pattern_set_unittest.cc
@@ -2,12 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/common/extensions/extension.h"
+#include "extensions/common/url_pattern_set.h"
 
 #include "base/values.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace extensions {
+
 namespace {
 
 void AddPattern(URLPatternSet* set, const std::string& pattern) {
@@ -390,3 +392,5 @@ TEST(URLPatternSetTest, NwayUnion) {
     EXPECT_EQ(expected, result);
   }
 }
+
+}  // namespace extensions