Move wm/core to wm namespace.

chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h

Index: chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h
diff --git a/chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h b/chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h
index bb0a5733aab8b9bd7e89aaf33310ca5a6b683b98..421ba44569ff1a503b74e2462620248113d26eff 100644
--- a/chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h
+++ b/chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h
@@ -11,11 +11,9 @@
 #include "chrome/browser/chrome_browser_main_extra_parts.h"
 
 #if defined(USE_AURA)
-namespace views {
-namespace corewm {
+namespace wm {
 class WMState;
 }
-}
 #endif
 
 class ChromeBrowserMainExtraPartsViews : public ChromeBrowserMainExtraParts {
@@ -28,7 +26,7 @@ class ChromeBrowserMainExtraPartsViews : public ChromeBrowserMainExtraParts {
 
  private:
 #if defined(USE_AURA)
-  scoped_ptr<views::corewm::WMState> wm_state_;
+  scoped_ptr<wm::WMState> wm_state_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainExtraPartsViews);