chromeos: Sync animation.

chrome/browser/extensions/pending_extension_manager.h

Index: chrome/browser/extensions/pending_extension_manager.h
diff --git a/chrome/browser/extensions/pending_extension_manager.h b/chrome/browser/extensions/pending_extension_manager.h
index 1c8efb8a64593bd80cba4c298bb62cd79e03e051..c9235b7195a044601c5c5d3fe87e9a28bc7fdb48 100644
--- a/chrome/browser/extensions/pending_extension_manager.h
+++ b/chrome/browser/extensions/pending_extension_manager.h
@@ -56,6 +56,9 @@ class PendingExtensionManager {
   // Is |id| in the set of pending extensions?
   bool IsIdPending(const std::string& id) const;
 
+  // Whether there is pending extension install from sync.
+  bool HasPendingExtensionFromSync() const;
+
   // Adds an extension in a pending state; the extension with the
   // given info will be installed on the next auto-update cycle.
   // Return true if the extension was added.  Will return false