[Views, WebIntents] Enable auto-resizing for WebContents

ui/views/controls/webview/webview.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 UI_VIEWS_CONTROLS_WEBVIEW_WEBVIEW_H_
 #define UI_VIEWS_CONTROLS_WEBVIEW_WEBVIEW_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/notification_observer.h"
@@ skipping 52 matching lines @@
   //             WebContents is attached, and not rely on the delegate to
   //             forward this notification.
   void OnWebContentsFocused(content::WebContents* web_contents);
 
   // When used to host UI, we need to explicitly allow accelerators to be
   // processed. Default is false.
   void set_allow_accelerators(bool allow_accelerators) {
     allow_accelerators_ = allow_accelerators;
   }
 
+  // Sets the preferred size. If empty, View's implementation of
+  // GetPreferredSize() is used.
+  void SetPreferredSize(const gfx::Size& preferred_size);
+
   // Overridden from View:
   virtual std::string GetClassName() const OVERRIDE;
 
  private:
   // Overridden from View:
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
   virtual void ViewHierarchyChanged(bool is_add,
                                     View* parent,
                                     View* child) OVERRIDE;
   virtual bool SkipDefaultKeyEventProcessing(
       const views::KeyEvent& event) OVERRIDE;
   virtual bool IsFocusable() const OVERRIDE;
   virtual void OnFocus() OVERRIDE;
   virtual void AboutToRequestFocusFromTabTraversal(bool reverse) OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
   virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Overridden from content::WebContentsDelegate:
   virtual void WebContentsFocused(content::WebContents* web_contents) OVERRIDE;
 
   void AttachWebContents();
   void DetachWebContents();
 
   void RenderViewHostChanged(content::RenderViewHost* old_host,
                              content::RenderViewHost* new_host);
   void WebContentsDestroyed(content::WebContents* web_contents);
 
   // Create a regular or test web contents (based on whether we're running
   // in a unit test or not).
   content::WebContents* CreateWebContents(
       content::BrowserContext* browser_context,
       content::SiteInstance* site_instance);
 
 
   NativeViewHost* wcv_holder_;
   scoped_ptr<content::WebContents> wc_owner_;
   content::WebContents* web_contents_;
   content::BrowserContext* browser_context_;
   content::NotificationRegistrar registrar_;
   bool allow_accelerators_;
+  gfx::Size preferred_size_;
 
   DISALLOW_COPY_AND_ASSIGN(WebView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_WEBVIEW_WEBVIEW_H_