Mac: Add a shortcut to open the Apps page from the bookmark bar.

chrome/browser/ui/cocoa/bookmarks/bookmark_button_cell.mm

Index: chrome/browser/ui/cocoa/bookmarks/bookmark_button_cell.mm
diff --git a/chrome/browser/ui/cocoa/bookmarks/bookmark_button_cell.mm b/chrome/browser/ui/cocoa/bookmarks/bookmark_button_cell.mm
index 76678606b225246d6463ec08bbf5155149a65d82..1c94ff4d7882d1de064a8c962ff7ec3ff40b28c2 100644
--- a/chrome/browser/ui/cocoa/bookmarks/bookmark_button_cell.mm
+++ b/chrome/browser/ui/cocoa/bookmarks/bookmark_button_cell.mm
@@ -43,6 +43,17 @@ const int kHierarchyButtonXMargin = 4;
   return buttonCell;
 }
 
++ (id)buttonCellForContextMenu:(NSMenu*)contextMenu
+                      cellText:(NSString*)cellText
+                     cellImage:(NSImage*)cellImage {
+  id buttonCell =
+      [[[BookmarkButtonCell alloc] initForContextMenu:contextMenu
+                                             cellText:cellText
+                                            cellImage:cellImage]
+       autorelease];
+  return buttonCell;
+}
+
 - (id)initForNode:(const BookmarkNode*)node
       contextMenu:(NSMenu*)contextMenu
          cellText:(NSString*)cellText
@@ -66,6 +77,23 @@ const int kHierarchyButtonXMargin = 4;
   return self;
 }
 
+- (id)initForContextMenu:(NSMenu*)contextMenu
+         cellText:(NSString*)cellText

[Alexei Svitkine (slow), 2013/03/08 19:45:48]

Align the :'s

+        cellImage:(NSImage*)cellImage {
+  if ((self = [super initTextCell:cellText])) {
+    [self configureBookmarkButtonCell];
+    [self setTextColor:[NSColor blackColor]];
+    [self setBookmarkNode:NULL];
+    [self setBookmarkCellText:cellText image:cellImage];
+    [self setMenu:contextMenu];
+    // This is a custom button not attached to any node. It is no considered
+    // empty even if its bookmark node is NULL.
+    [self setEmpty:NO];
+  }
+
+  return self;
+}
+
 - (id)initTextCell:(NSString*)string {
   return [self initForNode:nil contextMenu:nil cellText:string cellImage:nil];
 }
@@ -161,8 +189,12 @@ const int kHierarchyButtonXMargin = 4;
   if (empty_)
     return nil;
   BookmarkMenu* menu = (BookmarkMenu*)[super menu];
-  const BookmarkNode* node =
-      static_cast<const BookmarkNode*>([[self representedObject] pointerValue]);
+  const BookmarkNode* node = [self bookmarkNode];
+
+  // If node is NULL, this is a custom button, the menu does not represent
+  // anything.

[Alexei Svitkine (slow), 2013/03/08 19:45:48]

Is this how the Windows implementation works? No context menu for the Apps
button?

+  if (!node)
+    return nil;
 
   if (node->parent() && node->parent()->type() == BookmarkNode::FOLDER) {
     content::RecordAction(UserMetricsAction("BookmarkBarFolder_CtxMenu"));