Add methods needed for overflow panels to NativePanel interface.

chrome/browser/ui/panels/native_panel.h

Index: chrome/browser/ui/panels/native_panel.h
diff --git a/chrome/browser/ui/panels/native_panel.h b/chrome/browser/ui/panels/native_panel.h
index 4d1581d81b2273b86d9e09523001176f5c693616..8a0a26b61db06e80c8c32690a171ea47978c9fb9 100644
--- a/chrome/browser/ui/panels/native_panel.h
+++ b/chrome/browser/ui/panels/native_panel.h
@@ -32,6 +32,11 @@ class NativePanel {
   friend class PanelBrowserTest;
 
  protected:
+  enum PanelIconState {
+    SHOW_ICON_IN_DESKTOP_BAR,
+    HIDE_ICON_IN_DESKTOP_BAR
+  };
+
   virtual ~NativePanel() {}
 
   virtual void ShowPanel() = 0;
@@ -70,6 +75,17 @@ class NativePanel {
       const gfx::Size& window_size) const = 0;
 
   virtual int TitleOnlyHeight() const = 0;
+
+  // Returns the size of the iconified panel. This is the size we use to draw
+  // the panel put in the overflow area.
+  virtual gfx::Size GetIconifiedPanelSize() const = 0;

[jennb, 2011/11/24 01:16:28]

Is this the size when not hovering on the overflow area? Can you describe the
flow for how the overflow logic will figure out the size for each panel? I had
thought the overflow strip would figure out the bounds and size for each panel
and then call SetPanelBounds().

[jianli, 2011/11/24 01:47:10]

This method only intends to return platform-specific size for iconified panel.
The OverflowStrip::Layout will use this size to figure out the bounds per mouse
hover over or not. I will put comment in the panel_overflow_strip.h that is
going to send out in another patch for review.

+
+  // Brings the panel to the top of the z-order without activating it. This
+  // will make sure that the panel is not obscured by other top-most windows.
+  virtual void EnsurePanelFullyVisible() = 0;
+
+  // Controls if the panel icon should appear in the taskbar or the dock.

[jennb, 2011/11/24 01:16:28]

Does this concept apply to Mac? If not, then just say "desktop bar" as that's
what the enum calls it.

[jianli, 2011/11/24 01:47:10]

Yes.

+  virtual void UpdatePanelIconInDesktopBar(PanelIconState state) = 0;
 };
 
 // A NativePanel utility interface used for accessing elements of the