[Mac] Tests for FullscreenToolbarController

chrome/browser/ui/cocoa/fullscreen/fullscreen_toolbar_controller.mm

Index: chrome/browser/ui/cocoa/fullscreen/fullscreen_toolbar_controller.mm
diff --git a/chrome/browser/ui/cocoa/fullscreen/fullscreen_toolbar_controller.mm b/chrome/browser/ui/cocoa/fullscreen/fullscreen_toolbar_controller.mm
index 63c3b141a5f08626c0be02c44e629a253313a3b7..354025a86bfc4a8a34df88e9e2e2cd89ea7004ca 100644
--- a/chrome/browser/ui/cocoa/fullscreen/fullscreen_toolbar_controller.mm
+++ b/chrome/browser/ui/cocoa/fullscreen/fullscreen_toolbar_controller.mm
@@ -189,3 +189,27 @@ const CGFloat kToolbarVerticalOffset = -22;
 }
 
 @end
+
+@implementation FullscreenToolbarController (ExposedForTesting)
+
+- (FullscreenToolbarAnimationController*)animationController {
+  return animationController_.get();
+}
+
+- (void)setMenubarTracker:(FullscreenMenubarTracker*)tracker {
+  menubarTracker_.reset(tracker);
+}
+
+- (void)setMouseTracker:(FullscreenToolbarMouseTracker*)tracker {
+  mouseTracker_.reset(tracker);
+}
+
+- (void)setToolbarStyle:(FullscreenToolbarStyle)style {
+  toolbarStyle_ = style;
+}
+
+- (void)setTestFullscreenMode:(BOOL)isInFullscreen {
+  inFullscreenMode_ = isInFullscreen;
+}
+
+@end