Allow panels to be created as detached panels.

chrome/browser/ui/panels/panel_cocoa_unittest.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 <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
@@ skipping 34 matching lines @@
   Panel* CreateTestPanel(const std::string& panel_name) {
     // Opening panels on a Mac causes NSWindowController of the Panel window
     // to be autoreleased. We need a pool drained after it's done so the test
     // can close correctly.
     base::mac::ScopedNSAutoreleasePool autorelease_pool;
 
     PanelManager* manager = PanelManager::GetInstance();
     int panels_count = manager->num_panels();
 
     Panel* panel = manager->CreatePanel(panel_name, profile(),
-                                        GURL(), gfx::Size());
+                                        GURL(), gfx::Rect(),
+                                        PanelManager::CREATE_AS_DOCKED);
     EXPECT_EQ(panels_count + 1, manager->num_panels());
 
     EXPECT_TRUE(panel);
     EXPECT_TRUE(panel->native_panel());  // Native panel is created right away.
     PanelCocoa* native_window =
         static_cast<PanelCocoa*>(panel->native_panel());
     EXPECT_EQ(panel, native_window->panel_);  // Back pointer initialized.
 
     PanelAnimatedBoundsObserver bounds_observer(panel);
 
@@ skipping 323 matching lines @@
   NSWindow* frontmostWindow = [[NSApp orderedWindows] objectAtIndex:0];
   EXPECT_NSEQ(frontmostWindow, [native_window->controller_ window]);
 
   native_window2->ActivatePanel();
   frontmostWindow = [[NSApp orderedWindows] objectAtIndex:0];
   EXPECT_NSEQ(frontmostWindow, [native_window2->controller_ window]);
 
   ClosePanelAndWait(panel);
   ClosePanelAndWait(panel2);
 }