Remove FOR_EACH_OBSERVER macro usage in chrome/browser/ui

chrome/browser/ui/views/frame/browser_view_layout.cc

Index: chrome/browser/ui/views/frame/browser_view_layout.cc
diff --git a/chrome/browser/ui/views/frame/browser_view_layout.cc b/chrome/browser/ui/views/frame/browser_view_layout.cc
index f283cc62f620bb22c7158a9501ddce8f58514b82..18c70c1a859b17c7e808fae8d708dae13517a9b3 100644
--- a/chrome/browser/ui/views/frame/browser_view_layout.cc
+++ b/chrome/browser/ui/views/frame/browser_view_layout.cc
@@ -68,15 +68,13 @@ class BrowserViewLayout::WebContentsModalDialogHostViews
   }
 
   ~WebContentsModalDialogHostViews() override {
-    FOR_EACH_OBSERVER(ModalDialogHostObserver,
-                      observer_list_,
-                      OnHostDestroying());
+    for (ModalDialogHostObserver& observer : observer_list_)
+      observer.OnHostDestroying();
   }
 
   void NotifyPositionRequiresUpdate() {
-    FOR_EACH_OBSERVER(ModalDialogHostObserver,
-                      observer_list_,
-                      OnPositionRequiresUpdate());
+    for (ModalDialogHostObserver& observer : observer_list_)
+      observer.OnPositionRequiresUpdate();
   }
 
   gfx::Point GetDialogPosition(const gfx::Size& size) override {