[Sync] Fix namespaces for the sync_sessions component.

chrome/browser/sync/glue/synced_window_delegate_android.h

Index: chrome/browser/sync/glue/synced_window_delegate_android.h
diff --git a/chrome/browser/sync/glue/synced_window_delegate_android.h b/chrome/browser/sync/glue/synced_window_delegate_android.h
index be3089f6ef4dd4d86ae8dc33a0f84b1a2a25f293..0db172c7b4dd23b0a519f7ef7e63fbb28195d566 100644
--- a/chrome/browser/sync/glue/synced_window_delegate_android.h
+++ b/chrome/browser/sync/glue/synced_window_delegate_android.h
@@ -12,17 +12,18 @@
 
 class TabModel;
 
-namespace browser_sync {
-
+namespace sync_sessions {
 class SyncedTabDelegate;
+}  // namespace sync_sessions
 
-class SyncedWindowDelegateAndroid : public browser_sync::SyncedWindowDelegate {
+namespace browser_sync {
+
+class SyncedWindowDelegateAndroid : public sync_sessions::SyncedWindowDelegate {
  public:
   explicit SyncedWindowDelegateAndroid(TabModel* tab_model);
   ~SyncedWindowDelegateAndroid() override;
 
-  // browser_sync::SyncedWindowDelegate implementation.
-
+  // sync_sessions::SyncedWindowDelegate implementation.
   bool HasWindow() const override;
   SessionID::id_type GetSessionId() const override;
   int GetTabCount() const override;
@@ -30,8 +31,8 @@ class SyncedWindowDelegateAndroid : public browser_sync::SyncedWindowDelegate {
   bool IsApp() const override;
   bool IsTypeTabbed() const override;
   bool IsTypePopup() const override;
-  bool IsTabPinned(const SyncedTabDelegate* tab) const override;
-  SyncedTabDelegate* GetTabAt(int index) const override;
+  bool IsTabPinned(const sync_sessions::SyncedTabDelegate* tab) const override;
+  sync_sessions::SyncedTabDelegate* GetTabAt(int index) const override;
   SessionID::id_type GetTabIdAt(int index) const override;
   bool IsSessionRestoreInProgress() const override;
   bool ShouldSync() const override;
@@ -42,6 +43,6 @@ class SyncedWindowDelegateAndroid : public browser_sync::SyncedWindowDelegate {
   DISALLOW_COPY_AND_ASSIGN(SyncedWindowDelegateAndroid);
 };
 
-} // namespace browser_sync
+}  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SYNCED_WINDOW_DELEGATE_ANDROID_H_