views: Get rid of View::SetParent() method.

views/view.cc

Index: views/view.cc
diff --git a/views/view.cc b/views/view.cc
index 3b409b6e7549c0a1c078d5d6c043b0e8eaf7802e..3fc06c61e7eb08aee85da6f34626b77aaba25f7d 100644
--- a/views/view.cc
+++ b/views/view.cc
@@ -126,7 +126,7 @@ View::~View() {
 
   int c = static_cast<int>(children_.size());
   while (--c >= 0) {
-    children_[c]->SetParent(NULL);
+    children_[c]->parent_ = NULL;
     if (children_[c]->IsParentOwned())
       delete children_[c];
   }
@@ -164,7 +164,7 @@ void View::AddChildViewAt(View* view, int index) {
 
   // Let's insert the view.
   children_.insert(children_.begin() + index, view);
-  view->SetParent(this);
+  view->parent_ = this;
 
   for (View* p = this; p; p = p->parent())
     p->ViewHierarchyChangedImpl(false, true, this, view);
@@ -1343,7 +1343,7 @@ void View::DoRemoveChildView(View* view,
       UnregisterChildrenForVisibleBoundsNotification(view);
     view->ResetTexture();
     view->PropagateRemoveNotifications(this);
-    view->SetParent(NULL);
+    view->parent_ = NULL;
 
     if (delete_removed_view && view->IsParentOwned())
       view_to_be_deleted.reset(view);
@@ -1358,11 +1358,6 @@ void View::DoRemoveChildView(View* view,
     layout_manager_->ViewRemoved(this, view);
 }
 
-void View::SetParent(View* parent) {
-  if (parent != parent_)
-    parent_ = parent;
-}
-
 void View::PropagateRemoveNotifications(View* parent) {
   for (int i = 0, count = child_count(); i < count; ++i)
     GetChildViewAt(i)->PropagateRemoveNotifications(parent);