Make BrowserWindow::CreateFindBar non-static so that it can be overridden by Panels.

chrome/browser/ui/gtk/find_bar_gtk.cc

Index: chrome/browser/ui/gtk/find_bar_gtk.cc
diff --git a/chrome/browser/ui/gtk/find_bar_gtk.cc b/chrome/browser/ui/gtk/find_bar_gtk.cc
index d4cd60954e3d506f9b0d7e461f2ff3f48250cb60..b36968118f0ab224701a40cd9dd222d5e64ac961 100644
--- a/chrome/browser/ui/gtk/find_bar_gtk.cc
+++ b/chrome/browser/ui/gtk/find_bar_gtk.cc
@@ -173,10 +173,10 @@ void BuildBorder(GtkWidget* child,
 
 }  // namespace
 
-FindBarGtk::FindBarGtk(Browser* browser)
-    : browser_(browser),
-      window_(static_cast<BrowserWindowGtk*>(browser->window())),
-      theme_service_(GtkThemeService::GetFrom(browser->profile())),
+FindBarGtk::FindBarGtk(BrowserWindowGtk* window)
+    : browser_(window->browser()),
+      window_(window),
+      theme_service_(GtkThemeService::GetFrom(browser_->profile())),
       container_width_(-1),
       container_height_(-1),
       match_label_failure_(false),