Reviewed by Darin Fisher.

        Update the Chromium Mac theming files (RenderTheme and Theme) to be
        up-to-date.

        https://bugs.webkit.org/show_bug.cgi?id=29243
        http://crbug.com/19604

        Covered by existing tests.

        * WebCore.gypi:
        * platform/chromium/ThemeChromiumMac.h: Added.
        (WebCore::ThemeChromiumMac::ThemeChromiumMac):
        (WebCore::ThemeChromiumMac::~ThemeChromiumMac):
        (WebCore::ThemeChromiumMac::controlRequiresPreWhiteSpace):
        * platform/chromium/ThemeChromiumMac.mm: Added.
        (WebCore::):
        (WebCore::platformTheme):
        (WebCore::controlSizeForFont):
        (WebCore::sizeFromFont):
        (WebCore::setControlSize):
        (WebCore::updateStates):
        (WebCore::inflateRect):
        (WebCore::checkboxSizes):
        (WebCore::checkboxMargins):
        (WebCore::checkboxSize):
        (WebCore::checkbox):
        (WebCore::paintCheckbox):
        (WebCore::radioSizes):
        (WebCore::radioMargins):
        (WebCore::radioSize):
        (WebCore::radio):
        (WebCore::paintRadio):
        (WebCore::buttonSizes):
        (WebCore::buttonMargins):
        (WebCore::button):
        (WebCore::paintButton):
        (WebCore::ThemeChromiumMac::baselinePositionAdjustment):
        (WebCore::ThemeChromiumMac::controlFont):
        (WebCore::ThemeChromiumMac::controlSize):
        (WebCore::ThemeChromiumMac::minimumControlSize):
        (WebCore::ThemeChromiumMac::controlBorder):
        (WebCore::ThemeChromiumMac::controlPadding):
        (WebCore::ThemeChromiumMac::inflateControlPaintRect):
        (WebCore::ThemeChromiumMac::paint):
        * platform/graphics/FloatPoint.h:
        * platform/graphics/FloatRect.h:
        * platform/graphics/FloatSize.h:
        * platform/graphics/IntRect.h:
        * rendering/RenderThemeChromiumMac.h:
        (WebCore::RenderThemeChromiumMac::supportsControlTints):
        (WebCore::RenderThemeChromiumMac::scrollbarControlSizeForPart):
        (WebCore::RenderThemeChromiumMac::supportsSelectionForegroundColors):
        * rendering/RenderThemeChromiumMac.mm:
        (-[WebCoreRenderThemeNotificationObserver systemColorsDidChange:]):
        (-[RTCMFlippedView isFlipped]):
        (-[RTCMFlippedView currentEditor]):
        (WebCore::):
        (WebCore::FlippedView):
        (WebCore::RenderTheme::themeForPage):
        (WebCore::RenderThemeChromiumMac::platformActiveListBoxSelectionForegroundColor):
        (WebCore::RenderThemeChromiumMac::platformInactiveListBoxSelectionForegroundColor):
        (WebCore::RenderThemeChromiumMac::platformInactiveListBoxSelectionBackgroundColor):
        (WebCore::RenderThemeChromiumMac::systemFont):
        (WebCore::convertNSColorToColor):
        (WebCore::menuBackgroundColor):
        (WebCore::RenderThemeChromiumMac::systemColor):
        (WebCore::RenderThemeChromiumMac::isControlStyled):
        (WebCore::RenderThemeChromiumMac::adjustRepaintRect):
        (WebCore::RenderThemeChromiumMac::inflateRect):
        (WebCore::RenderThemeChromiumMac::convertToPaintingRect):
        (WebCore::RenderThemeChromiumMac::setFontFromControlSize):
        (WebCore::RenderThemeChromiumMac::paintTextField):
        (WebCore::RenderThemeChromiumMac::paintCapsLockIndicator):
        (WebCore::RenderThemeChromiumMac::paintTextArea):
        (WebCore::RenderThemeChromiumMac::paintMenuList):
        (WebCore::TopGradientInterpolate):
        (WebCore::BottomGradientInterpolate):
        (WebCore::MainGradientInterpolate):
        (WebCore::TrackGradientInterpolate):
        (WebCore::RenderThemeChromiumMac::paintMenuListButtonGradients):
        (WebCore::RenderThemeChromiumMac::paintMenuListButton):
        (WebCore::RenderThemeChromiumMac::popupInternalPaddingLeft):
        (WebCore::RenderThemeChromiumMac::popupInternalPaddingRight):
        (WebCore::RenderThemeChromiumMac::popupInternalPaddingTop):
        (WebCore::RenderThemeChromiumMac::popupInternalPaddingBottom):
        (WebCore::RenderThemeChromiumMac::adjustMenuListButtonStyle):
        (WebCore::RenderThemeChromiumMac::adjustSliderTrackStyle):
        (WebCore::RenderThemeChromiumMac::adjustSliderThumbStyle):
        (WebCore::RenderThemeChromiumMac::paintSliderThumb):
        (WebCore::RenderThemeChromiumMac::paintSearchField):
        (WebCore::RenderThemeChromiumMac::setSearchCellState):
        (WebCore::RenderThemeChromiumMac::adjustSearchFieldStyle):
        (WebCore::RenderThemeChromiumMac::paintSearchFieldCancelButton):
        (WebCore::RenderThemeChromiumMac::adjustSearchFieldCancelButtonStyle):
        (WebCore::RenderThemeChromiumMac::adjustSearchFieldDecorationStyle):
        (WebCore::RenderThemeChromiumMac::paintSearchFieldDecoration):
        (WebCore::RenderThemeChromiumMac::adjustSearchFieldResultsDecorationStyle):
        (WebCore::RenderThemeChromiumMac::paintSearchFieldResultsDecoration):
        (WebCore::RenderThemeChromiumMac::adjustSearchFieldResultsButtonStyle):
        (WebCore::RenderThemeChromiumMac::paintSearchFieldResultsButton):
        (WebCore::mediaControllerTheme):
        (WebCore::RenderThemeChromiumMac::adjustSliderThumbSize):
        (WebCore::getMediaUIPartStateFlags):
        (WebCore::getUnzoomedRectAndAdjustCurrentContext):
        (WebCore::RenderThemeChromiumMac::paintMediaFullscreenButton):
        (WebCore::RenderThemeChromiumMac::paintMediaMuteButton):
        (WebCore::RenderThemeChromiumMac::paintMediaPlayButton):
        (WebCore::RenderThemeChromiumMac::paintMediaSeekBackButton):
        (WebCore::RenderThemeChromiumMac::paintMediaSeekForwardButton):
        (WebCore::RenderThemeChromiumMac::paintMediaSliderTrack):
        (WebCore::RenderThemeChromiumMac::paintMediaSliderThumb):
        (WebCore::RenderThemeChromiumMac::paintMediaRewindButton):
        (WebCore::RenderThemeChromiumMac::paintMediaReturnToRealtimeButton):
        (WebCore::RenderThemeChromiumMac::paintMediaControlsBackground):
        (WebCore::RenderThemeChromiumMac::paintMediaCurrentTime):
        (WebCore::RenderThemeChromiumMac::paintMediaTimeRemaining):
        (WebCore::RenderThemeChromiumMac::extraMediaControlsStyleSheet):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@48469 268f45cc-cd09-0410-ab3c-d52691b4dbfc