Remove Animation When "Resuming" Window in Lion

chrome/browser/ui/browser_window.h

Index: chrome/browser/ui/browser_window.h
diff --git a/chrome/browser/ui/browser_window.h b/chrome/browser/ui/browser_window.h
index b74f9faf7bd76560cd72b66ff1af60bf7e9ff895..0f9aea9b6ced31e569b88d963b6ed09dde5ef90b 100644
--- a/chrome/browser/ui/browser_window.h
+++ b/chrome/browser/ui/browser_window.h
@@ -44,10 +44,18 @@ class Extension;
 // NOTE: All getters may return NULL.
 class BrowserWindow {
  public:
+  enum ShowContext {
+    SHOW_CONTEXT_NORMAL,
+    SHOW_CONTEXT_RESTORE
+  };
+
   virtual ~BrowserWindow() {}
 
-  // Show the window, or activates it if it's already visible.
-  virtual void Show() = 0;
+  // Show the window, or activates it if it's already visible.  |show_context|
+  // specifies the context under which the show is taking place.  In the restore
+  // cases, session restore is in effect, and on Mac this determines the type
+  // of animation to apply.
+  virtual void Show(ShowContext show_context) = 0;
 
   // Show the window, but do not activate it. Does nothing if window
   // is already visible.