Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/browser/themes/theme_service_unittest.cc

Index: chrome/browser/themes/theme_service_unittest.cc
diff --git a/chrome/browser/themes/theme_service_unittest.cc b/chrome/browser/themes/theme_service_unittest.cc
index 6288935b6b450b9d5f8f06bcf4ce029159defb59..e0ec449d1e5dfb3c23d855b1077e253259ff6e86 100644
--- a/chrome/browser/themes/theme_service_unittest.cc
+++ b/chrome/browser/themes/theme_service_unittest.cc
@@ -11,11 +11,11 @@
 #include "chrome/browser/themes/custom_theme_supplier.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chrome/test/base/testing_profile_manager.h"
+#include "extensions/common/manifest_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace theme_service_internal {
@@ -30,10 +30,10 @@ class ThemeServiceTest : public ExtensionServiceTestBase {
 
   scoped_refptr<extensions::Extension> MakeThemeExtension(base::FilePath path) {
     DictionaryValue source;
-    source.SetString(extension_manifest_keys::kName, "theme");
-    source.Set(extension_manifest_keys::kTheme, new DictionaryValue());
-    source.SetString(extension_manifest_keys::kUpdateURL, "http://foo.com");
-    source.SetString(extension_manifest_keys::kVersion, "0.0.0.0");
+    source.SetString(extensions::manifest_keys::kName, "theme");
+    source.Set(extensions::manifest_keys::kTheme, new DictionaryValue());
+    source.SetString(extensions::manifest_keys::kUpdateURL, "http://foo.com");
+    source.SetString(extensions::manifest_keys::kVersion, "0.0.0.0");
     std::string error;
     scoped_refptr<extensions::Extension> extension =
         extensions::Extension::Create(