[Mac] Re-enable pinned tabs; add support for mini-tabs and phantom tabs.

chrome/browser/cocoa/tab_strip_controller.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_COCOA_TAB_STRIP_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_TAB_STRIP_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_nsobject.h"
@@ skipping 118 matching lines @@
 
 // Move the given tab at index |from| in this window to the location of the
 // current placeholder.
 - (void)moveTabFromIndex:(NSInteger)from;
 
 // Drop a given TabContents at the location of the current placeholder. If there
 // is no placeholder, it will go at the end. Used when dragging from another
 // window when we don't have access to the TabContents as part of our strip.
 // |frame| is in the coordinate system of the tab strip view and represents
 // where the user dropped the new tab so it can be animated into its correct
-// location when the tab is added to the model.
-- (void)dropTabContents:(TabContents*)contents withFrame:(NSRect)frame;
+// location when the tab is added to the model. If the tab was pinned in its
+// previous window, setting |pinned| to YES will propagate that state to the
+// new window. Mini-tabs are either app or pinned tabs; the app state is stored
+// by the |contents|, but the |pinned| state is the caller's responsibility.
+- (void)dropTabContents:(TabContents*)contents
+              withFrame:(NSRect)frame
+            asPinnedTab:(BOOL)pinned;
 
 // Returns the index of the subview |view|. Returns -1 if not present. Takes
 // closing tabs into account such that this index will correctly match the tab
 // model. If |view| is in the process of closing, returns -1, as closing tabs
 // are no longer in the model.
 - (NSInteger)modelIndexForTabView:(NSView*)view;
 
 // Return the view at a given index.
 - (NSView*)viewAtIndex:(NSUInteger)index;
 
@@ skipping 53 matching lines @@
 - (void)removeConstrainedWindow:(ConstrainedWindowMac*)window;
 - (void)updateDevToolsForContents:(TabContents*)contents;
 
 @end
 
 // Notification sent when the number of tabs changes. The object will be this
 // controller.
 extern NSString* const kTabStripNumberOfTabsChanged;
 
 #endif  // CHROME_BROWSER_COCOA_TAB_STRIP_CONTROLLER_H_