Stop to trigger virtual keyboard on focus event.

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index 36baa7d16f680e4c03d1381814a7452e3295e3ae..2940307d30515c505e22df9c0532be89cda77a66 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -1790,7 +1790,14 @@ void RenderWidget::OnDragSourceSystemDragEnded() {
 }
 
 void RenderWidget::showVirtualKeyboardOnElementFocus() {
+#if defined(OS_CHROMEOS)
+  // On ChromeOS, virtual keyboard is triggered only when users leave the
+  // mouse button or the finger and a text input element is focused at that
+  // time. Focus event itself shouldn't trigger virtual keyboard.
+  UpdateTextInputState();
+#else
   ShowVirtualKeyboard();
+#endif
 
 // TODO(rouslan): Fix ChromeOS and Windows 8 behavior of autofill popup with
 // virtual keyboard.