Remove unused variables in local_frame_view.cc

Bug: n/a

Change-Id: Iffd7f0bece86b9438b285da3a53ceea00104b77d
Reviewed-on: https://chromium-review.googlesource.com/1195383
Commit-Queue: Stefan Zager <szager@chromium.org>
Reviewed-by: Stefan Zager <szager@chromium.org>
Reviewed-by: David Bokan <bokan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587936}

third_party/blink/renderer/core/frame/local_frame_view.cc

@@ -3318,7 +3318,7 @@ LayoutPoint LocalFrameView::ConvertToContainingEmbeddedContentView(
 
 FloatPoint LocalFrameView::ConvertToContainingEmbeddedContentView(
     const FloatPoint& local_point) const {
-  if (LocalFrameView* parent = ParentFrameView()) {
+  if (ParentFrameView()) {
     auto* layout_object = frame_->OwnerLayoutObject();
     if (!layout_object)
       return local_point;
@@ -3476,10 +3476,8 @@ void LocalFrameView::AddScrollableArea(
     scrollable_areas_ = new ScrollableAreaSet;
   scrollable_areas_->insert(scrollable_area);
 
-  if (ScrollingCoordinator* scrolling_coordinator =
-          this->GetScrollingCoordinator()) {
+  if (GetScrollingCoordinator())
     ScrollableAreasDidChange();
-  }
 }
 
 void LocalFrameView::RemoveScrollableArea(
@@ -3488,10 +3486,8 @@ void LocalFrameView::RemoveScrollableArea(
     return;
   scrollable_areas_->erase(scrollable_area);
 
-  if (ScrollingCoordinator* scrolling_coordinator =
-          this->GetScrollingCoordinator()) {
+  if (GetScrollingCoordinator())
     ScrollableAreasDidChange();
-  }
 }
 
 void LocalFrameView::AddAnimatingScrollableArea(
@@ -3889,10 +3885,8 @@ void LocalFrameView::SetSelfVisible(bool visible) {
 void LocalFrameView::Show() {
   if (!IsSelfVisible()) {
     SetSelfVisible(true);
-    if (ScrollingCoordinator* scrolling_coordinator =
-            this->GetScrollingCoordinator()) {
+    if (GetScrollingCoordinator())
       GetScrollingContext()->SetScrollGestureRegionIsDirty(true);
-    }
     SetNeedsCompositingUpdate(kCompositingUpdateRebuildTree);
     if (IsParentVisible()) {
       ForAllChildViewsAndPlugins(
@@ -3912,10 +3906,8 @@ void LocalFrameView::Hide() {
           });
     }
     SetSelfVisible(false);
-    if (ScrollingCoordinator* scrolling_coordinator =
-            this->GetScrollingCoordinator()) {
+    if (GetScrollingCoordinator())
       GetScrollingContext()->SetScrollGestureRegionIsDirty(true);
-    }
     SetNeedsCompositingUpdate(kCompositingUpdateRebuildTree);
   }
 }