[Sync] Remove static methods on SyncedWindowDelegate.

chrome/browser/sync/glue/synced_tab_delegate.cc

Index: chrome/browser/sync/glue/synced_tab_delegate.cc
diff --git a/chrome/browser/sync/glue/synced_tab_delegate.cc b/chrome/browser/sync/glue/synced_tab_delegate.cc
index ba6f9f3dd69a4052f526fb281924e9248eae1dc6..2f9c6832a21cf6286565dfaf2170a788e1a3d533 100644
--- a/chrome/browser/sync/glue/synced_tab_delegate.cc
+++ b/chrome/browser/sync/glue/synced_tab_delegate.cc
@@ -4,7 +4,7 @@
 
 #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"
@@ -14,6 +14,9 @@ using browser_sync::SyncedTabDelegate;
 
 namespace browser_sync {
 
+SyncedTabDelegate::SyncedTabDelegate() {}
+SyncedTabDelegate::~SyncedTabDelegate() {}
+
 content::NavigationEntry* SyncedTabDelegate::GetCurrentEntryMaybePending()
     const {
   return GetEntryAtIndexMaybePending(GetCurrentEntryIndex());
@@ -25,7 +28,7 @@ content::NavigationEntry* SyncedTabDelegate::GetEntryAtIndexMaybePending(
 }
 
 bool SyncedTabDelegate::ShouldSync() const {
-  if (GetSyncedWindowDelegate() == NULL)
+  if (GetSyncedWindowDelegate() == nullptr)
     return false;
 
   // Is there a valid NavigationEntry?
@@ -58,8 +61,16 @@ bool SyncedTabDelegate::ShouldSync() const {
   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