[Sync] Remove static methods on SyncedWindowDelegate.

chrome/browser/sync/glue/synced_tab_delegate.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/sync/glue/synced_tab_delegate.h"
 
-#include "chrome/browser/sync/glue/synced_window_delegate.h"
+#include "base/logging.h"
 #include "chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/navigation_entry.h"
 #include "url/gurl.h"
 
 using browser_sync::SyncedTabDelegate;
 
 namespace browser_sync {
 
+SyncedTabDelegate::SyncedTabDelegate() {}
+SyncedTabDelegate::~SyncedTabDelegate() {}
+
 content::NavigationEntry* SyncedTabDelegate::GetCurrentEntryMaybePending()
     const {
   return GetEntryAtIndexMaybePending(GetCurrentEntryIndex());
 }
 
 content::NavigationEntry* SyncedTabDelegate::GetEntryAtIndexMaybePending(
     int i) const {
   return (GetPendingEntryIndex() == i) ? GetPendingEntry() : GetEntryAtIndex(i);
 }
 
 bool SyncedTabDelegate::ShouldSync() const {
-  if (GetSyncedWindowDelegate() == NULL)
+  if (GetSyncedWindowDelegate() == nullptr)
     return false;
 
   // Is there a valid NavigationEntry?
   if (ProfileIsSupervised() && GetBlockedNavigations()->size() > 0)
     return true;
 
   int entry_count = GetEntryCount();
   if (entry_count == 0)
     return false;  // This deliberately ignores a new pending entry.
 
@@ skipping 12 matching lines @@
       found_valid_url = true;
     } else if (virtual_url == GURL(chrome::kChromeUIHistoryURL)) {
       // The history page is treated specially as we want it to trigger syncable
       // events for UI purposes.
       found_valid_url = true;
     }
   }
   return found_valid_url;
 }
 
+void SyncedTabDelegate::SetSyncedWindowGetter(
+    scoped_ptr<SyncedWindowDelegatesGetter> getter) {
+  synced_window_getter_.reset(getter.release());
+}
+
 const SyncedWindowDelegate* SyncedTabDelegate::GetSyncedWindowDelegate() const {
-  return SyncedWindowDelegate::FindById(GetWindowId());
+  if (!synced_window_getter_) {
+    NOTREACHED();
+  }
+  return synced_window_getter_->FindById(GetWindowId());
 }
 
 }  // namespace browser_sync