Implement Tab Detaching in Fullscreen Mode on Mac OSX

chrome/browser/ui/cocoa/tabs/tab_strip_drag_controller.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/tabs/tab_strip_drag_controller.h"
 
 #include <Carbon/Carbon.h>
 
 #include "base/mac/scoped_cftyperef.h"
 #import "base/mac/sdk_forward_declarations.h"
@@ skipping 347 matching lines @@
     origin.x = (1 - tearProgress) * tearOrigin_.x + tearProgress * origin.x;
     origin.y = (1 - tearProgress) * tearOrigin_.y + tearProgress * origin.y;
   }
 
   if (targetController_) {
     // In order to "snap" two windows of different sizes together at their
     // toolbar, we can't just use the origin of the target frame. We also have
     // to take into consideration the difference in height.
     NSRect targetFrame = [[targetController_ window] frame];
     NSRect sourceFrame = [dragWindow_ frame];
-    origin.y = NSMinY(targetFrame) +
-                (NSHeight(targetFrame) - NSHeight(sourceFrame));
+    origin.y = NSMinY(targetFrame) + [targetController_ menubarOffset] +
+               (NSHeight(targetFrame) - NSHeight(sourceFrame));
   }
   [dragWindow_ setFrameOrigin:
       NSMakePoint(origin.x + horizDragOffset_, origin.y)];
 
   // If we're not hovering over any window, make the window fully
   // opaque. Otherwise, find where the tab might be dropped and insert
   // a placeholder so it appears like it's part of that window.
   if (targetController_) {
     if (![[targetController_ window] isKeyWindow])
       [[targetController_ window] orderFront:nil];
@@ skipping 59 matching lines @@
     // into any existing window.
     [targetController_ moveTabViews:[draggedController_ tabViews]
                      fromController:draggedController_];
     // Force redraw to avoid flashes of old content before returning to event
     // loop.
     [[targetController_ window] display];
     [targetController_ showWindow:nil];
     [draggedController_ removeOverlay];
   } else {
     // Only move the window around on screen. Make sure it's set back to
-    // normal state (fully opaque, has shadow, has key, etc).
+    // normal state (fully opaque, has shadow, has key, in fullscreen if
+    // appropriate, etc).
+    [draggedController_
+        detachedWindowEnterFullscreenIfNeeded:sourceController_];
+
     [draggedController_ removeOverlay];
     // Don't want to re-show the window if it was closed during the drag.
     if ([dragWindow_ isVisible]) {
       [dragWindow_ setAlphaValue:1.0];
       [dragOverlay_ setHasShadow:NO];
       [dragWindow_ setHasShadow:YES];
       [dragWindow_ makeKeyAndOrderFront:nil];
     }
     [[draggedController_ window] setLevel:NSNormalWindowLevel];
     [draggedController_ removePlaceholder];
@@ skipping 95 matching lines @@
     [[targetController_ window] makeMainWindow];
   } else {
     [dragWindow_ setAlphaValue:0.5];
     [[draggedController_ overlayWindow] setHasShadow:NO];
     [[draggedController_ window] makeMainWindow];
   }
   chromeIsVisible_ = shouldBeVisible;
 }
 
 @end