Change panels to be able to turn off autoresize.

chrome/browser/ui/panels/panel_strip.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_PANELS_PANEL_STRIP_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_STRIP_H_
 #pragma once
 
 #include "ui/gfx/rect.h"
 
 class Panel;
 
 // Common base class for a collection of panels. Subclasses manage
 // various layouts for displaying panels in the collection.
 class PanelStrip {
  public:
   // Types of layout for the panel collections.
   enum Type {
     DETACHED,  // free-floating panels
     DOCKED,    // panels are 'docked' along the window's edge
     IN_OVERFLOW,  // panels that cannot fit in the 'docked' panels area
   };
 
+  enum AutoResizeState {
+    AUTORESIZE_ENABLED,
+    AUTORESIZE_DISABLED,
+  };
+
   Type type() const { return type_; }
 
   // Sets the bounds of the panel strip.
   // |display_area| is in screen coordinates.
   virtual void SetDisplayArea(const gfx::Rect& display_area) = 0;
 
   // Updates the positioning of all panels in the collection, usually as
   // a result of removing or resizing a panel in collection.
   virtual void RefreshLayout() = 0;
 
   // Adds |panel| to the collection of panels.
   virtual void AddPanel(Panel* panel) = 0;
 
   // Removes |panel| from the collection of panels. Invoked asynchronously
   // after a panel has been closed.
   // Returns |false| if the panel is not in the strip.
   virtual bool RemovePanel(Panel* panel) = 0;
 
   // Closes all panels in the collection. Panels will be removed after closing.
   virtual void CloseAll() = 0;
 
   // Resizes the |panel| to the |preferred_window_size| and updates the layout
   // of other panels in the collection accordingly.
   // |preferred_window_size| is the outer dimensions of the window, not
   // the content area, and is in screen coordinates.
   // The preferred size may be adjusted to fit layout constraints.
   virtual void ResizePanelWindow(Panel* panel,
-                                 const gfx::Size& preferred_window_size) = 0;
+                                 const gfx::Size& preferred_window_size,
+                                 AutoResizeState auto_resize_state) = 0;
 
   // Invoked when the draw attention state of the panel has changed.
   // Subclass should update the display of the panel to match the new
   // draw attention state.
   virtual void OnPanelAttentionStateChanged(Panel* panel) = 0;
 
   // Updates the display to show |panel| as active.
   virtual void ActivatePanel(Panel* panel) = 0;
 
   // Updates the display to show |panel| as  minimized/restored.
@@ skipping 14 matching lines @@
   virtual void EndDraggingPanel(Panel* panel, bool cancelled) = 0;
 
  protected:
   explicit PanelStrip(Type type);
   virtual ~PanelStrip();
 
   const Type type_;  // Type of this panel strip.
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_STRIP_H_