Add detached mode plumbing

chrome/browser/ui/cocoa/browser_window_controller_private.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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller_private.h"
 
 #include <cmath>
 
 #import "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 890 matching lines @@
   NSView* toolbar = [toolbarController_ view];
   CGFloat toolbarY = NSMinY([toolbar convertRect:[toolbar bounds] toView:nil]);
 
   return iconBottom.y - toolbarY;
 }
 
 - (void)enterAppKitFullscreen {
   DCHECK(base::mac::IsOSLionOrLater());
   if (FramedBrowserWindow* framedBrowserWindow =
           base::mac::ObjCCast<FramedBrowserWindow>([self window])) {
+    if (WebContents* contents = [self webContents]) {
+      if (RenderWidgetHostView* rwhv = contents->GetRenderWidgetHostView()) {
+        detachedModeWindow_.reset(rwhv->CreateDetachedModeWindow());
+      }
+    }
     [framedBrowserWindow toggleSystemFullScreen];
   }
 }
 
 - (void)exitAppKitFullscreen {
   DCHECK(base::mac::IsOSLionOrLater());
   if (FramedBrowserWindow* framedBrowserWindow =
           base::mac::ObjCCast<FramedBrowserWindow>([self window])) {
     [framedBrowserWindow toggleSystemFullScreen];
   }
+  [detachedModeWindow_ close];
+  detachedModeWindow_.reset();
 }
 
 - (NSRect)fullscreenButtonFrame {
   // NSWindowFullScreenButton is 10.7+ and results in log spam on 10.6 if used.
   if (base::mac::IsOSSnowLeopard())
     return NSZeroRect;
 
   NSButton* fullscreenButton =
       [[self window] standardWindowButton:NSWindowFullScreenButton];
   if (!fullscreenButton)
@@ skipping 251 matching lines @@
   DCHECK([window isEqual:self.window]);
 
   if (![self shouldUseCustomAppKitFullscreenTransition:YES])
     return nil;
 
   fullscreenTransition_.reset(
       [[BrowserWindowFullscreenTransition alloc] initEnterWithController:self]);
 
   NSArray* customWindows =
       [fullscreenTransition_ customWindowsForFullScreenTransition];
+
+  if (detachedModeWindow_)
+    customWindows = [customWindows arrayByAddingObject:detachedModeWindow_];
+
   isUsingCustomAnimation_ = customWindows != nil;
   return customWindows;
 }
 
 - (NSArray*)customWindowsToExitFullScreenForWindow:(NSWindow*)window {
   DCHECK([window isEqual:self.window]);
 
   if (![self shouldUseCustomAppKitFullscreenTransition:NO])
     return nil;
 
@@ skipping 39 matching lines @@
   return nil;
 }
 
 - (BOOL)isFullscreenForTabContent {
   return browser_->exclusive_access_manager()
                  ->fullscreen_controller()
                  ->IsWindowFullscreenForTabOrPending();
 }
 
 @end  // @implementation BrowserWindowController(Private)