Reviewed by Anders.

        - created EventHandler class, moved event handling code from both
          Frame and FrameView in there

        - added ScrollTypes.h header so you can include the scroller-related
          enums without all of Scrollbar.h

        * page/EventHandler.cpp: Added.
        * page/EventHandler.h: Added.
        * page/mac/EventHandlerMac.mm: Added.

        * platform/ScrollBarMode.h: Removed.
        * platform/ScrollTypes.h: Added.

        * WebCore.exp:
        * WebCore.xcodeproj/project.pbxproj:
        * bridge/mac/FrameMac.h:
        * bridge/mac/FrameMac.mm:
        (WebCore::FrameMac::FrameMac):
        (WebCore::FrameMac::~FrameMac):
        (WebCore::FrameMac::bridgeForWidget):
        (WebCore::FrameMac::imageFromRect):
        * bridge/mac/FrameViewMac.mm:
        * bridge/mac/WebCoreFrameBridge.mm:
        (-[WebCoreFrameBridge scrollOverflowInDirection:granularity:]):
        (-[WebCoreFrameBridge nextKeyView]):
        (-[WebCoreFrameBridge previousKeyView]):
        (-[WebCoreFrameBridge nextKeyViewInsideWebFrameViews]):
        (-[WebCoreFrameBridge previousKeyViewInsideWebFrameViews]):
        (-[WebCoreFrameBridge _visiblePositionForPoint:]):
        (-[WebCoreFrameBridge dragOperationForDraggingInfo:]):
        (-[WebCoreFrameBridge dragExitedWithDraggingInfo:]):
        (-[WebCoreFrameBridge concludeDragForDraggingInfo:]):
        (-[WebCoreFrameBridge dragSourceMovedTo:]):
        (-[WebCoreFrameBridge dragSourceEndedAt:operation:]):
        * dom/Document.cpp:
        (WebCore::Document::hoveredNodeDetached):
        * dom/Element.h:
        * dom/EventTargetNode.cpp:
        (WebCore::EventTargetNode::defaultEventHandler):
        * editing/SelectionController.cpp:
        (WebCore::SelectionController::SelectionController):
        * editing/SelectionController.h:
        (WebCore::SelectionController::setCaretBlinkingSuspended):
        (WebCore::SelectionController::isCaretBlinkingSuspended):
        * html/HTMLAnchorElement.cpp:
        (WebCore::HTMLAnchorElement::isKeyboardFocusable):
        * html/HTMLFrameElementBase.cpp:
        (WebCore::HTMLFrameElementBase::setFocus):
        * html/HTMLFrameElementBase.h:
        * html/HTMLGenericFormElement.cpp:
        (WebCore::HTMLGenericFormElement::isKeyboardFocusable):
        * html/HTMLInputElement.cpp:
        (WebCore::HTMLInputElement::defaultEventHandler):
        * html/HTMLSelectElement.cpp:
        (WebCore::HTMLSelectElement::listBoxDefaultEventHandler):
        * loader/FrameLoader.cpp:
        (WebCore::FrameLoader::clear):
        (WebCore::FrameLoader::open):

        * page/Frame.cpp:
        (WebCore::Frame::caretBlinkTimerFired):
        (WebCore::Frame::frameForWidget):
        (WebCore::Frame::eventHandler):
        (WebCore::Frame::setProhibitsScrolling):
        (WebCore::FramePrivate::FramePrivate):
        * page/Frame.h:
        * page/FramePrivate.h:
        * page/FrameView.cpp:
        (WebCore::FrameViewPrivate::FrameViewPrivate):
        (WebCore::FrameViewPrivate::reset):
        (WebCore::FrameView::FrameView):
        (WebCore::FrameView::~FrameView):
        (WebCore::FrameView::clear):
        (WebCore::FrameView::adjustViewSize):
        (WebCore::FrameView::addRepaintInfo):
        (WebCore::FrameView::layout):
        (WebCore::FrameView::scrollPointRecursively):
        (WebCore::FrameView::setContentsPos):
        (WebCore::FrameView::scheduleRelayoutOfSubtree):
        (WebCore::FrameView::scheduleEvent):
        (WebCore::FrameView::updateOverflowStatus):
        (WebCore::FrameView::dispatchScheduledEvents):
        (WebCore::FrameView::windowClipRectForLayer):
        (WebCore::FrameView::handleMouseMoveEvent):
        (WebCore::FrameView::handleMouseReleaseEvent):
        * page/FrameView.h:
        * page/PageState.cpp:
        (WebCore::PageState::PageState):
        (WebCore::PageState::restore):
        * page/PageState.h:
        * platform/ScrollBar.h:
        * platform/ScrollView.h:
        * platform/mac/ClipboardMac.mm:
        * platform/mac/PopupMenuMac.mm:
        (WebCore::PopupMenu::show):
        * platform/mac/SliderMac.mm:
        (-[WebCoreSlider becomeFirstResponder]):
        (-[WebCoreSlider nextKeyView]):
        (-[WebCoreSlider previousKeyView]):
        (-[WebCoreSlider canBecomeKeyView]):
        (Slider::focusPolicy):
        * platform/mac/WebCoreTextField.mm:
        (-[WebCoreTextFieldController textView:shouldHandleEvent:]):
        (-[WebCoreTextFieldController setHasFocus:]):
        (-[WebCoreSearchField nextKeyView]):
        (-[WebCoreSearchField previousKeyView]):
        (-[WebCoreSearchFieldCell _addStringToRecentSearches:]):
        * platform/mac/WidgetMac.mm:
        (WebCore::Widget::hasFocus):
        (WebCore::Widget::clearFocus):
        * rendering/RenderFrameSet.cpp:
        (WebCore::RenderFrameSet::setResizing):
        * rendering/RenderLayer.cpp:
        (WebCore::RenderLayer::autoscroll):
        (WebCore::RenderLayer::resize):
        (WebCore::RenderLayer::updateOverflowStatus):
        * rendering/RenderLayer.h:
        * rendering/RenderListBox.cpp:
        (WebCore::RenderListBox::autoscroll):
        * rendering/RenderObject.cpp:
        (WebCore::RenderObject::draggableNode):
        (WebCore::RenderObject::destroy):
        * rendering/RenderObject.h:
        (WebCore::RenderObject::RepaintInfo::RepaintInfo):
        * rendering/RenderPartObject.cpp:
        (WebCore::RenderPartObject::viewCleared):

WebKit:

        Reviewed by Anders.

        - update for creation of EventHandler

        * WebCoreSupport/WebFrameLoaderClient.mm:
        (WebFrameLoaderClient::actionDictionary):
        * WebView/WebHTMLView.m:
        (-[WebHTMLView _updateMouseoverWithEvent:]):
        (-[NSArray menuForEvent:]):
        (-[NSArray scrollWheel:]):
        (-[NSArray acceptsFirstMouse:]):
        (-[NSArray shouldDelayWindowOrderingForEvent:]):
        (-[NSArray mouseDown:]):
        (-[NSArray mouseDragged:]):
        (-[NSArray mouseUp:]):
        (-[NSArray keyDown:]):
        (-[NSArray keyUp:]):
        (-[NSArray performKeyEquivalent:]):
        (-[WebHTMLView elementAtPoint:allowShadowContent:]):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@17770 268f45cc-cd09-0410-ab3c-d52691b4dbfc