[Mac][Material Design] Adjust bookmark spacing and folder menu drawing.

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

Index: chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm
diff --git a/chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm b/chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm
index f402857a3150840a7cd0c5c6fd09f3394c05d04d..4f4905735b3b3c9525c4bd0ef5ba130740777a21 100644
--- a/chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm
+++ b/chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm
@@ -59,6 +59,7 @@ BookmarkButton* gDraggedButton = nil; // Weak
 
 @synthesize delegate = delegate_;
 @synthesize acceptsTrackIn = acceptsTrackIn_;
+@synthesize backgroundColor = backgroundColor_;
 
 - (id)initWithFrame:(NSRect)frameRect {
   // BookmarkButton's ViewID may be changed to VIEW_ID_OTHER_BOOKMARKS in
@@ -81,6 +82,8 @@ BookmarkButton* gDraggedButton = nil; // Weak
     [area_ release];
   }
 
+  [backgroundColor_ release];
+
   [super dealloc];
 }
 
@@ -424,7 +427,12 @@ BookmarkButton* gDraggedButton = nil; // Weak
 
 - (void)drawRect:(NSRect)rect {
   NSView* bookmarkBarToolbarView = [[self superview] superview];
-  [self cr_drawUsingAncestor:bookmarkBarToolbarView inRect:(NSRect)rect];
+  if (backgroundColor_) {
+    [backgroundColor_ set];
+    NSRectFill(rect);
+  } else {
+    [self cr_drawUsingAncestor:bookmarkBarToolbarView inRect:(NSRect)rect];
+  }
   [super drawRect:rect];
 }