Fix omnibox focus ring regression on Windows.

Restore part of LocationBarView::OnFocus(), which was
removed by r269418. Otherwise, the omnibox doesn't receive a
focus ring on Windows.

BUG=380141

Review URL: https://codereview.chromium.org/315663002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274614 0039d316-1c4b-4281-b951-d872f2087c98

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

@@ -1550,6 +1550,12 @@ void LocationBarView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
     popup->UpdatePopupAppearance();
 }
 
+void LocationBarView::OnFocus() {
+  // Explicitly focus the omnibox so a focus ring will be displayed around it on
+  // Windows.
+  omnibox_view_->SetFocus();
+}
+
 void LocationBarView::OnPaint(gfx::Canvas* canvas) {
   View::OnPaint(canvas);
 

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

@@ -378,6 +378,7 @@ class LocationBarView : public LocationBar,
   // views::View:
   virtual const char* GetClassName() const OVERRIDE;
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
+  virtual void OnFocus() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual void PaintChildren(gfx::Canvas* canvas,
                              const views::CullSet& cull_set) OVERRIDE;