Omnibox Material Refresh: Clean LocationBarView::OnLocationIconFetched

Clean up an unnecessary call within:
LocationBarView::OnLocationIconFetched.

Previously we also called LocationIconView::Update, which is
unnecessary.

Bug: 823535
Change-Id: I87e9a83ef2d831ead9d674c3ea7f98bd06830cf4
Reviewed-on: https://chromium-review.googlesource.com/1052917
Commit-Queue: Tommy Li <tommycli@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#557360}

chrome/browser/ui/views/location_bar/location_bar_view.cc

@@ -856,7 +856,6 @@ void LocationBarView::RefreshLocationIcon() {
 
 void LocationBarView::OnLocationIconFetched(const gfx::Image& image) {
   location_icon_view_->SetImage(image.AsImageSkia());
-  location_icon_view_->Update();
 }
 
 bool LocationBarView::RefreshContentSettingViews() {