Fix residue left over from find bar when using accelerated compositing

chrome/browser/renderer_host/render_widget_host_view_win.h

Index: chrome/browser/renderer_host/render_widget_host_view_win.h
diff --git a/chrome/browser/renderer_host/render_widget_host_view_win.h b/chrome/browser/renderer_host/render_widget_host_view_win.h
index d90487c500460a2dc34a0a50de3f7132f5646442..073e61e37dace12863bfa8bb24cbdff8e85c5f52 100644
--- a/chrome/browser/renderer_host/render_widget_host_view_win.h
+++ b/chrome/browser/renderer_host/render_widget_host_view_win.h
@@ -75,6 +75,9 @@ class RenderWidgetHostViewWin
 
   void CreateWnd(HWND parent);
 
+  // Schedule a composite no the compositor hwnd unless one was just done.

[vangelis, 2011/05/26 05:57:07]

Is there a typo in this comment?  I'm not sure what it's supposed to mean...

[jbates, 2011/05/26 18:21:16]

Done.

+  void ScheduleComposite();
+
   DECLARE_WND_CLASS_EX(kRenderWidgetHostHWNDClass, CS_DBLCLKS, 0);
 
   BEGIN_MSG_MAP(RenderWidgetHostHWND)
@@ -268,6 +271,9 @@ class RenderWidgetHostViewWin
   // Clean up the compositor window, if needed.
   void CleanupCompositorWindow();
 
+  // Reset was_compositing_just_completed_ to false.
+  void ResetWasCompositingJustCompleted();

[nduca, 2011/05/25 23:42:29]

s/completed/scheduled/

[jbates, 2011/05/26 18:21:16]

Done.

+
   // Whether the window should be activated.
   bool IsActivatable() const;
 
@@ -277,6 +283,9 @@ class RenderWidgetHostViewWin
   // When we are doing accelerated compositing
   HWND compositor_host_window_;
 
+  // If a composite operation was just done.

[nduca, 2011/05/25 23:42:29]

You migth want to explain what this means in detail given how hinky it is.

[jbates, 2011/05/26 18:21:16]

Done.

+  bool was_compositing_just_completed_;
+
   // true if the compositor host window must be hidden after the
   // software renderered view is updated.
   bool hide_compositor_window_at_next_paint_;
@@ -331,6 +340,9 @@ class RenderWidgetHostViewWin
   // Factory used to safely scope delayed calls to ShutdownHost().
   ScopedRunnableMethodFactory<RenderWidgetHostViewWin> shutdown_factory_;
 
+  // Factory used to safely scope calls to RenderWidgetHostViewWin methods.
+  ScopedRunnableMethodFactory<RenderWidgetHostViewWin> method_factory_;
+
   // Our parent HWND.  We keep a reference to it as we SetParent(NULL) when
   // hidden to prevent getting messages (Paint, Resize...), and we reattach
   // when shown again.