Implement dropping of tabs into an existing tab strip from another window.

chrome/browser/cocoa/tab_window_controller.mm

 // Copyright (c) 2009 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/cocoa/tab_window_controller.h"
 
 #include "base/logging.h"
 #import "chrome/browser/cocoa/tab_strip_view.h"
 
 @interface TabWindowController(PRIVATE)
@@ skipping 81 matching lines @@
     [overlayWindow_ release];
     overlayWindow_ = nil;
     cachedContentView_ = nil;
   }
 }
 
 - (NSWindow*)overlayWindow {
   return overlayWindow_;
 }
 
-- (void)dropTabView:(NSView *)view atIndex:(NSUInteger)index {
+- (void)dropTabView:(NSView*)view
+     fromController:(TabWindowController*)dragController {
   NOTIMPLEMENTED();
 }
 
 - (NSView *)selectedTabView {
   NOTIMPLEMENTED();
   return nil;
 }
 
 - (void)layoutTabs {
   // subclass must implement
@@ skipping 11 matching lines @@
                   yStretchiness:(CGFloat)yStretchiness {
   // subclass must implement
   NOTIMPLEMENTED();
 }
 
 - (void)removePlaceholder {
   // subclass must implement
   NOTIMPLEMENTED();
 }
 
+- (void)detachTabView:(NSView*)view {
+  // subclass must implement
+  NOTIMPLEMENTED();
+}
+
 - (NSInteger)numberOfTabs {
   // subclass must implement
   NOTIMPLEMENTED();
   return 0;
 }
 
 - (NSString*)selectedTabTitle {
   // subclass must implement
   NOTIMPLEMENTED();
   return @"";
 }
 
 @end