Creat a KeyboardEventManager class

third_party/WebKit/Source/core/input/EventHandler.h

Index: third_party/WebKit/Source/core/input/EventHandler.h
diff --git a/third_party/WebKit/Source/core/input/EventHandler.h b/third_party/WebKit/Source/core/input/EventHandler.h
index 0a37b77390be8b54d4c2034d1d1b8d1330e39dcb..f72faec0f792c192653a1dce7a8e35448e63d601 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.h
+++ b/third_party/WebKit/Source/core/input/EventHandler.h
@@ -28,6 +28,7 @@
 
 #include "core/CoreExport.h"
 #include "core/events/TextEventInputType.h"
+#include "core/input/KeyboardEventManager.h"
 #include "core/input/PointerEventManager.h"
 #include "core/input/ScrollManager.h"
 #include "core/layout/HitTestRequest.h"
@@ -42,7 +43,6 @@
 #include "platform/geometry/LayoutPoint.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollTypes.h"
-#include "public/platform/WebFocusType.h"
 #include "public/platform/WebInputEventResult.h"
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
@@ -66,7 +66,6 @@ class FrameHost;
 class HTMLFrameSetElement;
 class HitTestRequest;
 class HitTestResult;
-class KeyboardEvent;
 class LayoutObject;
 class LocalFrame;
 class Node;
@@ -195,7 +194,6 @@ public:
     static WebInputEventResult mergeEventResult(WebInputEventResult resultA, WebInputEventResult resultB);
     static WebInputEventResult toWebInputEventResult(DispatchEventResult);
 
-    static PlatformEvent::Modifiers accessKeyModifiers();
     bool handleAccessKey(const PlatformKeyboardEvent&);
     WebInputEventResult keyEvent(const PlatformKeyboardEvent&);
     void defaultKeyboardEventHandler(KeyboardEvent*);
@@ -221,6 +219,21 @@ public:
 
     SelectionController& selectionController() const { return *m_selectionController; }
 
+    // FIXME(nzolghadr): This function is technically a private function of
+    // EventHandler class. Making it public temporary to make it possible to
+    // move some code around in the refactoring process.
+    // Performs a chaining logical scroll, within a *single* frame, starting
+    // from either a provided starting node or a default based on the focused or
+    // most recently clicked node, falling back to the frame.
+    // Returns true if the scroll was consumed.
+    // direction - The logical direction to scroll in. This will be converted to
+    //             a physical direction for each LayoutBox we try to scroll
+    //             based on that box's writing mode.
+    // granularity - The units that the  scroll delta parameter is in.
+    // startNode - Optional. If provided, start chaining from the given node.
+    //             If not, use the current focus or last clicked node.
+    bool logicalScroll(ScrollDirection, ScrollGranularity, Node* startNode = nullptr);
+
 private:
     static DragState& dragState();
 
@@ -372,6 +385,7 @@ private:
 
     PointerEventManager m_pointerEventManager;
     ScrollManager m_scrollManager;
+    KeyboardEventManager m_keyboardEventManager;
 
     double m_maxMouseMovedDuration;