Enforce that only one constrained window is displayed at once per tab.

chrome/browser/views/constrained_window_win.cc

 // Copyright (c) 2006-2008 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/views/constrained_window_win.h"
 
 #include "app/gfx/canvas.h"
 #include "app/gfx/font.h"
 #include "app/gfx/path.h"
 #include "app/gfx/text_elider.h"
@@ skipping 574 matching lines @@
 ConstrainedWindowWin::~ConstrainedWindowWin() {
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ConstrainedWindowWin, ConstrainedWindow implementation:
 
 views::NonClientFrameView* ConstrainedWindowWin::CreateFrameViewForWindow() {
   return new ConstrainedWindowFrameView(this);
 }
 
+void ConstrainedWindowWin::ShowConstrainedWindow() {
+  ActivateConstrainedWindow();
+}
+
 void ConstrainedWindowWin::CloseConstrainedWindow() {
   // Broadcast to all observers of NOTIFY_CWINDOW_CLOSED.
   // One example of such an observer is AutomationCWindowTracker in the
   // automation component.
   NotificationService::current()->Notify(NotificationType::CWINDOW_CLOSED,
                                          Source<ConstrainedWindow>(this),
                                          NotificationService::NoDetails());
 
   Close();
 }
@@ skipping 20 matching lines @@
     views::WindowDelegate* window_delegate)
     : WindowWin(window_delegate),
       owner_(owner) {
   GetNonClientView()->SetFrameView(CreateFrameViewForWindow());
 
   set_window_style(WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_CAPTION |
                    WS_THICKFRAME | WS_SYSMENU);
   set_focus_on_creation(false);
 
   WindowWin::Init(owner_->GetNativeView(), gfx::Rect());
-  ActivateConstrainedWindow();
 }
 
 void ConstrainedWindowWin::ActivateConstrainedWindow() {
   // Other pop-ups are simply moved to the front of the z-order.
   SetWindowPos(HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ConstrainedWindowWin, views::WidgetWin overrides:
 
@@ skipping 35 matching lines @@
 
 
 // static
 ConstrainedWindow* ConstrainedWindow::CreateConstrainedDialog(
     TabContents* parent,
     views::WindowDelegate* window_delegate) {
   ConstrainedWindowWin* window = new ConstrainedWindowWin(parent,
                                                           window_delegate);
   return window;
 }