text input focus: Supports Window::GetFocusedTextInputClient.

content/browser/web_contents/web_contents_view_aura.cc

Index: content/browser/web_contents/web_contents_view_aura.cc
diff --git a/content/browser/web_contents/web_contents_view_aura.cc b/content/browser/web_contents/web_contents_view_aura.cc
index 5b976ba1921edda335408986df99d93983e48370..67ba598ca9799269192cb8352e82c856e7b54746 100644
--- a/content/browser/web_contents/web_contents_view_aura.cc
+++ b/content/browser/web_contents/web_contents_view_aura.cc
@@ -1435,6 +1435,10 @@ void WebContentsViewAura::OnBoundsChanged(const gfx::Rect& old_bounds,
   }
 }
 
+ui::TextInputClient* WebContentsViewAura::GetFocusedTextInputClient() {
+  return nullptr;
+}
+
 gfx::NativeCursor WebContentsViewAura::GetCursor(const gfx::Point& point) {
   return gfx::kNullCursor;
 }