Animate showing / hiding the location bar for bookmark apps.

chrome/test/base/test_browser_window.h

Index: chrome/test/base/test_browser_window.h
diff --git a/chrome/test/base/test_browser_window.h b/chrome/test/base/test_browser_window.h
index 6ee00f2e3055ce7aa7b0fccdb49ce28099561c29..95806438c8ce6d3de3deea850a1a91f07ff91f79 100644
--- a/chrome/test/base/test_browser_window.h
+++ b/chrome/test/base/test_browser_window.h
@@ -85,6 +85,7 @@ class TestBrowserWindow : public BrowserWindow {
   void UpdateToolbar(content::WebContents* contents) override {}
   void ResetToolbarTabState(content::WebContents* contents) override {}
   void FocusToolbar() override {}
+  void ToolbarSizeChanged(bool is_animating) override {}
   void FocusAppMenu() override {}
   void FocusBookmarksToolbar() override {}
   void FocusInfobars() override {}
@@ -173,6 +174,7 @@ class TestBrowserWindow : public BrowserWindow {
     void UpdateManagePasswordsIconAndBubble() override {}
     void UpdatePageActions() override {}
     void UpdateBookmarkStarVisibility() override {}
+    void UpdateLocationBarState(bool visible, bool animate) override {};
     bool ShowPageActionPopup(const extensions::Extension* extension,
                              bool grant_active_tab) override;
     void UpdateOpenPDFInReaderPrompt() override {}