ui/app_list: Remove unnecessary scoped_ptr ".get()" calls.

ui/app_list/pagination_model.cc

Index: ui/app_list/pagination_model.cc
diff --git a/ui/app_list/pagination_model.cc b/ui/app_list/pagination_model.cc
index fcd1d46687aa179e85eb8d3adc2cff2d3a2adba0..9d8797d718bb25b8d110f8f96b619d83dc3fa0c6 100644
--- a/ui/app_list/pagination_model.cc
+++ b/ui/app_list/pagination_model.cc
@@ -41,7 +41,7 @@ void PaginationModel::SelectPage(int page, bool animate) {
     // -1 and |total_pages_| are valid target page for animation.
     DCHECK(page >= -1 && page <= total_pages_);
 
-    if (!transition_animation_.get()) {
+    if (!transition_animation_) {
       if (page == selected_page_)
         return;
 
@@ -166,7 +166,7 @@ void PaginationModel::EndScroll(bool cancel) {
 
 bool PaginationModel::IsRevertingCurrentTransition() const {
   // Use !IsShowing() so that we return true at the end of hide animation.
-  return transition_animation_.get() && !transition_animation_->IsShowing();
+  return transition_animation_ && !transition_animation_->IsShowing();
 }
 
 void PaginationModel::AddObserver(PaginationModelObserver* observer) {
@@ -192,7 +192,7 @@ int PaginationModel::CalculateTargetPage(int delta) const {
   DCHECK_GT(total_pages_, 0);
 
   int current_page = selected_page_;
-  if (transition_animation_.get() && transition_animation_->IsShowing()) {
+  if (transition_animation_ && transition_animation_->IsShowing()) {
     current_page = pending_selected_page_ >= 0 ?
         pending_selected_page_ : transition_.target_page;
   }