Extract more of the mouse logic from EventHandler

third_party/WebKit/Source/core/input/KeyboardEventManager.cpp

 // 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 "KeyboardEventManager.h"
 
 #include "core/dom/Element.h"
 #include "core/editing/Editor.h"
 #include "core/events/KeyboardEvent.h"
 #include "core/html/HTMLDialogElement.h"
@@ skipping 38 matching lines @@
     retVal = WebFocusTypeRight;
   return retVal;
 }
 
 }  // namespace
 
 KeyboardEventManager::KeyboardEventManager(LocalFrame* frame,
                                            ScrollManager* scrollManager)
     : m_frame(frame), m_scrollManager(scrollManager) {}
 
+DEFINE_TRACE(KeyboardEventManager) {
+  visitor->trace(m_frame);
+  visitor->trace(m_scrollManager);
+}
+
 bool KeyboardEventManager::handleAccessKey(const WebKeyboardEvent& evt) {
   // FIXME: Ignoring the state of Shift key is what neither IE nor Firefox do.
   // IE matches lower and upper case access keys regardless of Shift key state - but if both upper and
   // lower case variants are present in a document, the correct element is matched based on Shift key state.
   // Firefox only matches an access key if Shift is not pressed, and does that case-insensitively.
   DCHECK(!(kAccessKeyModifiers & WebInputEvent::ShiftKey));
   if ((evt.modifiers & (WebKeyboardEvent::KeyModifiers &
                         ~WebInputEvent::ShiftKey)) != kAccessKeyModifiers)
     return false;
   String key = String(evt.unmodifiedText);
@@ skipping 234 matching lines @@
           focusType,
           InputDeviceCapabilities::doesntFireTouchEventsSourceCapabilities()))
     event->setDefaultHandled();
 }
 
 void KeyboardEventManager::defaultEscapeEventHandler(KeyboardEvent* event) {
   if (HTMLDialogElement* dialog = m_frame->document()->activeModalDialog())
     dialog->dispatchEvent(Event::createCancelable(EventTypeNames::cancel));
 }
 
-DEFINE_TRACE(KeyboardEventManager) {
-  visitor->trace(m_frame);
-  visitor->trace(m_scrollManager);
-}
-
 static OverrideCapsLockState s_overrideCapsLockState;
 
 void KeyboardEventManager::setCurrentCapsLockState(
     OverrideCapsLockState state) {
   s_overrideCapsLockState = state;
 }
 
 bool KeyboardEventManager::currentCapsLockState() {
   switch (s_overrideCapsLockState) {
     case OverrideCapsLockState::Default:
@@ skipping 34 matching lines @@
   if (currentModifiers & ::cmdKey)
     modifiers |= WebInputEvent::MetaKey;
 #else
   // TODO(crbug.com/538289): Implement on other platforms.
   return static_cast<WebInputEvent::Modifiers>(0);
 #endif
   return static_cast<WebInputEvent::Modifiers>(modifiers);
 }
 
 }  // namespace blink