Mac: make save/open dialogs operate as tab-modal sheets....

chrome/browser/cocoa/bookmark_bar_controller.h

Index: chrome/browser/cocoa/bookmark_bar_controller.h
diff --git a/chrome/browser/cocoa/bookmark_bar_controller.h b/chrome/browser/cocoa/bookmark_bar_controller.h
index 783b98c9e7c75e029ee1d560fccde7c5cf7a4875..af21245c879ed113d6d43ecccb6597e52e4fd699 100644
--- a/chrome/browser/cocoa/bookmark_bar_controller.h
+++ b/chrome/browser/cocoa/bookmark_bar_controller.h
@@ -12,6 +12,7 @@
 #include "base/scoped_ptr.h"
 #include "chrome/browser/cocoa/bookmark_bar_bridge.h"
 #include "chrome/browser/cocoa/tab_strip_model_observer_bridge.h"
+#import "chrome/browser/cocoa/command_observer_bridge.h"
 #include "webkit/glue/window_open_disposition.h"
 
 @class BackgroundGradientView;
@@ -21,6 +22,7 @@ class BookmarkNode;
 @class BookmarkBarView;
 class Browser;
 @protocol ToolbarCompressable;
+class CommandUpdater;
 class GURL;
 @class MenuButton;
 class Profile;
@@ -44,7 +46,8 @@ class PrefService;
 
 // A controller for the bookmark bar in the browser window. Handles showing
 // and hiding based on the preference in the given profile.
-@interface BookmarkBarController : NSViewController<BookmarkBarFloating> {
+@interface BookmarkBarController : NSViewController<BookmarkBarFloating,
+                                                    CommandObserverProtocol> {
  @private
   Browser* browser_;              // weak; owned by its window
   BookmarkModel* bookmarkModel_;  // weak; part of the profile owned by the
@@ -70,6 +73,9 @@ class PrefService;
   // Set when using fullscreen mode.
   BOOL barIsEnabled_;
 
+  // Normally NO; YES when it should be greyed out (for tab-modal sheets).
+  BOOL barIsGreyedOut_;
+
   // Bridge from Chrome-style C++ notifications (e.g. derived from
   // BookmarkModelObserver)
   scoped_ptr<BookmarkBarBridge> bridge_;
@@ -78,6 +84,9 @@ class PrefService;
   // it's right next to us.
   id<ToolbarCompressable> compressDelegate_;  // weak
 
+  // Allows us to observe for when to grey out the bookmark bar.
+  scoped_ptr<CommandObserverBridge> commandObserver_;
+
   // Delegate that can resize us.
   id<ViewResizer> resizeDelegate_;  // weak
 
@@ -98,7 +107,8 @@ class PrefService;
          initialWidth:(float)initialWidth
      compressDelegate:(id<ToolbarCompressable>)compressDelegate
        resizeDelegate:(id<ViewResizer>)resizeDelegate
-          urlDelegate:(id<BookmarkURLOpener>)urlDelegate;
+          urlDelegate:(id<BookmarkURLOpener>)urlDelegate
+             commands:(CommandUpdater*)commands;
 
 // Returns the backdrop to the bookmark bar.
 - (BackgroundGradientView*)backgroundGradientView;