Enable AutoResize for Constrained Web Dialogs

chrome/browser/ui/cocoa/constrained_web_dialog_delegate_mac.mm

 // 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.
 
 #include "chrome/browser/ui/webui/constrained_web_dialog_delegate_base.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
@@ skipping 58 matching lines @@
   void OnDialogCloseFromWebUI() override {
     return impl_->OnDialogCloseFromWebUI();
   }
   void ReleaseWebContentsOnDialogClose() override {
     return impl_->ReleaseWebContentsOnDialogClose();
   }
   NativeWebContentsModalDialog GetNativeDialog() override {
     return constrained_window_->GetNativeDialog();
   }
   WebContents* GetWebContents() override { return impl_->GetWebContents(); }
+  gfx::Size GetMinimumSize() const override {
+    NOTIMPLEMENTED();
+    return gfx::Size();
+  }
+  gfx::Size GetMaximumSize() const override {
+    NOTIMPLEMENTED();
+    return gfx::Size();
+  }
+  gfx::Size GetPreferredSize() const override {
+    NOTIMPLEMENTED();
+    return gfx::Size();
+  }
 
   // ConstrainedWindowMacDelegate interface
   void OnConstrainedWindowClosed(ConstrainedWindowMac* window) override {
     if (!impl_->closed_via_webui())
       GetWebDialogDelegate()->OnDialogClosed("");
     delete this;
   }
 
  private:
   scoped_ptr<ConstrainedWebDialogDelegateMac> impl_;
@@ skipping 19 matching lines @@
   [[window_ contentView] addSubview:GetWebContents()->GetNativeView()];
 
   base::scoped_nsobject<CustomConstrainedWindowSheet> sheet(
       [[CustomConstrainedWindowSheet alloc] initWithCustomWindow:window_]);
   constrained_window_.reset(new ConstrainedWindowMac(
       this, web_contents, sheet));
 
   impl_->set_window(constrained_window_.get());
 }
 
-ConstrainedWebDialogDelegate* CreateConstrainedWebDialog(
+ConstrainedWebDialogDelegate* ShowConstrainedWebDialog(
         content::BrowserContext* browser_context,
         WebDialogDelegate* delegate,
         content::WebContents* web_contents) {
   // Deleted when the dialog closes.
   ConstrainedWebDialogDelegateViewMac* constrained_delegate =
       new ConstrainedWebDialogDelegateViewMac(
           browser_context, delegate, web_contents);
   return constrained_delegate;
 }