Remove deprecated ReplicaInputConnection

content/renderer/input/render_widget_input_handler.cc

 // Copyright 2015 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/renderer/input/render_widget_input_handler.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <utility>
 
@@ skipping 188 matching lines @@
       &handling_event_type_, input_event.type);
 
   // Calls into |didOverscroll()| while handling this event will populate
   // |event_overscroll|, which in turn will be bundled with the event ack.
   std::unique_ptr<DidOverscrollParams> event_overscroll;
   base::AutoReset<std::unique_ptr<DidOverscrollParams>*>
       handling_event_overscroll_resetter(&handling_event_overscroll_,
                                          &event_overscroll);
 
 #if defined(OS_ANDROID)
-  bool from_ime = false;
-
-  // For most keyboard events, we want the change source to be FROM_IME because
-  // we don't need to update IME states in ReplicaInputConnection.
-  if (!widget_->IsUsingImeThread() &&
-      WebInputEvent::isKeyboardEventType(input_event.type)) {
-    const WebKeyboardEvent& key_event =
-        *static_cast<const WebKeyboardEvent*>(&input_event);
-    // TODO(changwan): this if-condition is a stop-gap solution to update IME
-    // states in ReplicaInputConnection when using DPAD navigation. This is not
-    // a correct solution because InputConnection#getTextBeforeCursor()
-    // immediately after InputConnection#sendKeyEvent() will not return the
-    // correct value. The correct solution is either redesign the architecture
-    // or emulate the DPAD behavior in ReplicaInputConnection, either is
-    // non-trivial.
-    if (key_event.nativeKeyCode != AKEYCODE_TAB &&
-        key_event.nativeKeyCode != AKEYCODE_DPAD_CENTER &&
-        key_event.nativeKeyCode != AKEYCODE_DPAD_LEFT &&
-        key_event.nativeKeyCode != AKEYCODE_DPAD_RIGHT &&
-        key_event.nativeKeyCode != AKEYCODE_DPAD_UP &&
-        key_event.nativeKeyCode != AKEYCODE_DPAD_DOWN) {
-      from_ime = true;
-    }
-  }
-
   ImeEventGuard guard(widget_);
-  guard.set_from_ime(from_ime);
 #endif
 
   base::TimeTicks start_time;
   if (base::TimeTicks::IsHighResolution())
     start_time = base::TimeTicks::Now();
 
   TRACE_EVENT1("renderer,benchmark,rail",
                "RenderWidgetInputHandler::OnHandleInputEvent", "event",
                WebInputEvent::GetName(input_event.type));
   TRACE_EVENT_SYNTHETIC_DELAY_BEGIN("blink.HandleInputEvent");
@@ skipping 224 matching lines @@
   // it can be bundled in the event ack.
   if (handling_event_overscroll_) {
     *handling_event_overscroll_ = std::move(params);
     return;
   }
 
   delegate_->OnDidOverscroll(*params);
 }
 
 }  // namespace content