Introduce ThreadedInputConnection behind a switch

content/browser/renderer_host/ime_adapter_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/ime_adapter_android.h"
 
 #include <algorithm>
 #include <android/input.h>
 #include <vector>
 
@@ skipping 254 matching lines @@
 }
 
 void ImeAdapterAndroid::DeleteSurroundingText(JNIEnv*, jobject,
                                               int before, int after) {
   RenderFrameHostImpl* rfh =
       static_cast<RenderFrameHostImpl*>(GetFocusedFrame());
   if (rfh)
     rfh->ExtendSelectionAndDelete(before, after);
 }
 
+void ImeAdapterAndroid::RequestTextInputStateUpdate(JNIEnv* env, jobject) {
+  RenderWidgetHostImpl* rwhi = GetRenderWidgetHostImpl();
+  if (!rwhi)
+    return;

[aelias_OOO_until_Jul13, 2015/09/30 00:10:03]

You aren't sending a dummy on this return, so I suggest replacing this with a
DCHECK(rwhi) instead.

[Changwan Ryu, 2016/01/19 07:31:52]

Done.

+
+  rwhi->Send(new InputMsg_RequestTextInputStateUpdate(rwhi->GetRoutingID()));
+}
+
 void ImeAdapterAndroid::ResetImeAdapter(JNIEnv* env, jobject) {
   java_ime_adapter_.reset();
 }
 
 RenderWidgetHostImpl* ImeAdapterAndroid::GetRenderWidgetHostImpl() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(rwhva_);
   RenderWidgetHost* rwh = rwhva_->GetRenderWidgetHost();
   if (!rwh)
     return NULL;
@@ skipping 19 matching lines @@
 WebContents* ImeAdapterAndroid::GetWebContents() {
   RenderWidgetHostImpl* rwh = GetRenderWidgetHostImpl();
   if (!rwh)
     return NULL;
   if (!rwh->IsRenderView())
     return NULL;
   return WebContents::FromRenderViewHost(RenderViewHost::From(rwh));
 }
 
 }  // namespace content