Revert of Migrate IME state update flow

content/browser/android/ime_adapter_android.cc

 // Copyright 2017 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/android/ime_adapter_android.h"
 
 #include <android/input.h>
 #include <algorithm>
 #include <vector>
 
@@ skipping 14 matching lines @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/web_contents.h"
 #include "jni/ImeAdapter_jni.h"
 #include "third_party/WebKit/public/platform/WebInputEvent.h"
 #include "third_party/WebKit/public/platform/WebTextInputType.h"
 #include "third_party/WebKit/public/web/WebCompositionUnderline.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertJavaStringToUTF16;
-using base::android::ConvertUTF8ToJavaString;
 using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
 
 namespace content {
 namespace {
 
 // Maps a java KeyEvent into a NativeWebKeyboardEvent.
 // |java_key_event| is used to maintain a globalref for KeyEvent.
 // |type| will determine the WebInputEvent type.
 // type, |modifiers|, |time_ms|, |key_code|, |unicode_char| is used to create
@@ skipping 135 matching lines @@
   if (rwhva_)
     rwhva_->set_ime_adapter(nullptr);
   if (new_rwhva) {
     new_rwhva->set_ime_adapter(this);
     rwhva_ = new_rwhva->GetWeakPtrAndroid();
   } else {
     rwhva_.reset();
   }
 }
 
-void ImeAdapterAndroid::UpdateState(const TextInputState& state) {
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jobject> obj = java_ime_adapter_.get(env);
-  if (obj.is_null())
-    return;
-
-  ScopedJavaLocalRef<jstring> jstring_text =
-      ConvertUTF8ToJavaString(env, state.value);
-  Java_ImeAdapter_updateState(env, obj, static_cast<int>(state.type),
-                              state.flags, state.mode, state.show_ime_if_needed,
-                              jstring_text, state.selection_start,
-                              state.selection_end, state.composition_start,
-                              state.composition_end, state.reply_to_request);
-}
-
 bool ImeAdapterAndroid::SendKeyEvent(
     JNIEnv* env,
     const JavaParamRef<jobject>&,
     const JavaParamRef<jobject>& original_key_event,
     int type,
     int modifiers,
     jlong time_ms,
     int key_code,
     int scan_code,
     bool is_system_key,
@@ skipping 218 matching lines @@
   Java_ImeAdapter_populateUnderlinesFromSpans(
       env, obj, text, reinterpret_cast<jlong>(&underlines));
 
   // Sort spans by |.startOffset|.
   std::sort(underlines.begin(), underlines.end());
 
   return underlines;
 }
 
 }  // namespace content