[Sync] Componentize synced_tab_delegate

chrome/browser/ui/sync/browser_synced_window_delegates_getter.cc

Index: chrome/browser/ui/sync/browser_synced_window_delegates_getter.cc
diff --git a/chrome/browser/ui/sync/browser_synced_window_delegates_getter.cc b/chrome/browser/ui/sync/browser_synced_window_delegates_getter.cc
index 0ffc72587b3e965d2bc600449d3889387a53afb5..2916b70b85fb9bf0957e2154fec24d26d0ec7863 100644
--- a/chrome/browser/ui/sync/browser_synced_window_delegates_getter.cc
+++ b/chrome/browser/ui/sync/browser_synced_window_delegates_getter.cc
@@ -11,15 +11,20 @@
 
 namespace browser_sync {
 
-BrowserSyncedWindowDelegatesGetter::BrowserSyncedWindowDelegatesGetter() {}
+BrowserSyncedWindowDelegatesGetter::BrowserSyncedWindowDelegatesGetter(
+    Profile* profile)
+    : profile_(profile) {}
 BrowserSyncedWindowDelegatesGetter::~BrowserSyncedWindowDelegatesGetter() {}
 
 std::set<const SyncedWindowDelegate*>
 BrowserSyncedWindowDelegatesGetter::GetSyncedWindowDelegates() {
   std::set<const SyncedWindowDelegate*> synced_window_delegates;
   // Add all the browser windows.
-  for (chrome::BrowserIterator it; !it.done(); it.Next())
+  for (chrome::BrowserIterator it; !it.done(); it.Next()) {
+    if (it->profile() != profile_)
+      continue;
     synced_window_delegates.insert(it->synced_window_delegate());
+  }
   return synced_window_delegates;
 }