Move the local struct definitions off ui/base/ime.

chrome/browser/input_method/input_method_engine_base.cc

 // Copyright 2016 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 "chrome/browser/input_method/input_method_engine_base.h"
 
 #undef FocusIn
 #undef FocusOut
 #undef RootWindow
 #include <algorithm>
@@ skipping 150 matching lines @@
   ext_event->caps_lock = event.IsCapsLockOn();
 #if defined(OS_CHROMEOS)
   ext_event->key = GetKeyFromEvent(event);
 #else
   ext_event->key = ui::KeycodeConverter::DomKeyToKeyString(event.GetDomKey());
 #endif  // defined(OS_CHROMEOS)
 }
 
 }  // namespace
 
+InputMethodEngineBase::KeyboardEvent::KeyboardEvent()
+    : alt_key(false), ctrl_key(false), shift_key(false), caps_lock(false) {}
+
+InputMethodEngineBase::KeyboardEvent::~KeyboardEvent() {}
+
 InputMethodEngineBase::InputMethodEngineBase()
     : current_input_type_(ui::TEXT_INPUT_TYPE_NONE),
       context_id_(0),
       next_context_id_(1),
       composition_text_(new ui::CompositionText()),
       composition_cursor_(0),
       sent_key_event_(NULL),
       profile_(NULL) {}
 
 InputMethodEngineBase::~InputMethodEngineBase() {}
 
 void InputMethodEngineBase::Initialize(
-    scoped_ptr<ui::IMEEngineObserver> observer,
+    scoped_ptr<InputMethodEngineBase::Observer> observer,
     const char* extension_id,
     Profile* profile) {
   DCHECK(observer) << "Observer must not be null.";
 
   // TODO(komatsu): It is probably better to set observer out of Initialize.
   observer_ = std::move(observer);
   extension_id_ = extension_id;
   profile_ = profile;
 }
 
@@ skipping 196 matching lines @@
 void InputMethodEngineBase::SetSurroundingText(const std::string& text,
                                                uint32_t cursor_pos,
                                                uint32_t anchor_pos,
                                                uint32_t offset_pos) {
   observer_->OnSurroundingTextChanged(
       active_component_id_, text, static_cast<int>(cursor_pos),
       static_cast<int>(anchor_pos), static_cast<int>(offset_pos));
 }
 
 }  // namespace input_method