Move component updater artifacts into component_updater namespace.

chrome/browser/component_updater/component_updater_service.h

Index: chrome/browser/component_updater/component_updater_service.h
diff --git a/chrome/browser/component_updater/component_updater_service.h b/chrome/browser/component_updater/component_updater_service.h
index 01763866cff8a0b3d2872df6b047ee2ed010288b..551167d2ebb489dd579dc4b72b0b5bc5c8484dbc 100644
--- a/chrome/browser/component_updater/component_updater_service.h
+++ b/chrome/browser/component_updater/component_updater_service.h
@@ -11,6 +11,8 @@
 #include "base/version.h"
 #include "url/gurl.h"
 
+class ComponentsUI;
+
 namespace base {
 class DictionaryValue;
 class FilePath;
@@ -29,6 +31,8 @@ namespace content {
 class ResourceThrottle;
 }
 
+namespace component_updater {
+
 class ComponentPatcher;
 
 // Component specific installers must derive from this class and implement
@@ -205,8 +209,8 @@ class ComponentUpdateService {
 
   virtual ~ComponentUpdateService() {}
 
-  friend class ComponentsUI;
-  friend class component_updater::OnDemandTester;
+  friend class ::ComponentsUI;
+  friend class OnDemandTester;
 
  private:
   // Ask the component updater to do an update check for a previously
@@ -223,4 +227,6 @@ class ComponentUpdateService {
 ComponentUpdateService* ComponentUpdateServiceFactory(
     ComponentUpdateService::Configurator* config);
 
+}  // namespace component_updater
+
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_SERVICE_H_