Introduce WebInputMethodController to blink

content/shell/renderer/layout_test/blink_test_runner.cc

Index: content/shell/renderer/layout_test/blink_test_runner.cc
diff --git a/content/shell/renderer/layout_test/blink_test_runner.cc b/content/shell/renderer/layout_test/blink_test_runner.cc
index a11791b01f9cf70045d6e87900b8c9710527458a..2806b53a99d2d9ec2fda566c5126ffc452286327 100644
--- a/content/shell/renderer/layout_test/blink_test_runner.cc
+++ b/content/shell/renderer/layout_test/blink_test_runner.cc
@@ -745,6 +745,10 @@ void BlinkTestRunner::RunIdleTasks(const base::Closure& callback) {
     SchedulerRunIdleTasks(callback);
 }
 
+void BlinkTestRunner::ForceTextInputStateUpdate(WebFrame* frame) {
+  ForceTextInputStateUpdateForRenderFrame(RenderFrame::FromWebFrame(frame));
+}
+
 bool BlinkTestRunner::AddMediaStreamVideoSourceAndTrack(
     blink::WebMediaStream* stream) {
   DCHECK(stream);