Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/browser/extensions/standard_management_policy_provider_unittest.cc

Index: chrome/browser/extensions/standard_management_policy_provider_unittest.cc
diff --git a/chrome/browser/extensions/standard_management_policy_provider_unittest.cc b/chrome/browser/extensions/standard_management_policy_provider_unittest.cc
index ae6f6e5e358b0cb5e6e0190705d775cbff9a84a2..862f95a91fa522b542b636a5b79c1c4f6dfcec6b 100644
--- a/chrome/browser/extensions/standard_management_policy_provider_unittest.cc
+++ b/chrome/browser/extensions/standard_management_policy_provider_unittest.cc
@@ -9,8 +9,8 @@
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/standard_management_policy_provider.h"
 #include "chrome/browser/extensions/test_extension_prefs.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
 #include "content/public/test/test_browser_thread.h"
+#include "extensions/common/manifest_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
@@ -31,8 +31,8 @@ class StandardManagementPolicyProviderTest : public testing::Test {
   scoped_refptr<const Extension> CreateExtension(Manifest::Location location,
                                                  bool required) {
     base::DictionaryValue values;
-    values.SetString(extension_manifest_keys::kName, "test");
-    values.SetString(extension_manifest_keys::kVersion, "0.1");
+    values.SetString(manifest_keys::kName, "test");
+    values.SetString(manifest_keys::kVersion, "0.1");
     std::string error;
     scoped_refptr<const Extension> extension = Extension::Create(
         base::FilePath(), location, values, Extension::NO_FLAGS, &error);