Move content settings extension API to content_settings dir.

chrome/browser/extensions/api/content_settings/content_settings_helpers.cc

Index: chrome/browser/extensions/api/content_settings/content_settings_helpers.cc
diff --git a/chrome/browser/extensions/extension_content_settings_helpers.cc b/chrome/browser/extensions/api/content_settings/content_settings_helpers.cc
similarity index 95%
rename from chrome/browser/extensions/extension_content_settings_helpers.cc
rename to chrome/browser/extensions/api/content_settings/content_settings_helpers.cc
index 87876d4395582cab847ef84d3daf6d58af6743b1..d5a9213d7b8a80268d00e3bdb368825f34d3d761 100644
--- a/chrome/browser/extensions/extension_content_settings_helpers.cc
+++ b/chrome/browser/extensions/api/content_settings/content_settings_helpers.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/extensions/extension_content_settings_helpers.h"
+#include "chrome/browser/extensions/api/content_settings/content_settings_helpers.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ -53,7 +53,8 @@ std::string GetDefaultPort(const std::string& scheme) {
 
 }  // namespace
 
-namespace extension_content_settings_helpers {
+namespace extensions {
+namespace content_settings_helpers {
 
 ContentSettingsPattern ParseExtensionPattern(const std::string& pattern_str,
                                              std::string* error) {
@@ -144,4 +145,5 @@ const char* ContentSettingToString(ContentSetting setting) {
   return kContentSettingNames[index];
 }
 
-}  // namespace extension_content_settings_helpers
+}  // namespace content_settings_helpers
+}  // namespace extensions