Add ExtendSelectionAndDelete() method to ui::TextInputClient.

content/browser/renderer_host/render_widget_host_view_win.cc

Index: content/browser/renderer_host/render_widget_host_view_win.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_win.cc b/content/browser/renderer_host/render_widget_host_view_win.cc
index 610f9897ee94a731c0ce1b309b2af8f061655148..e719660c6850236ab7f5171ff846f39f67451989 100644
--- a/content/browser/renderer_host/render_widget_host_view_win.cc
+++ b/content/browser/renderer_host/render_widget_host_view_win.cc
@@ -1233,6 +1233,15 @@ bool RenderWidgetHostViewWin::ChangeTextDirectionAndLayoutAlignment(
   return false;
 }
 
+void RenderWidgetHostViewWin::ExtendSelectionAndDelete(int before, int after) {
+  if (!base::win::IsTsfAwareRequired()) {
+    NOTREACHED();
+  }
+  if (!render_widget_host_)
+    return;
+  render_widget_host_->ExtendSelectionAndDelete(before, after);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewWin, private: