2013-07-26  Martin Robinson  <mrobinson@igalia.com>

        Need a short description (OOPS!).
        Need the bug URL (OOPS!).

        Reviewed by NOBODY (OOPS!).

        No new tests (OOPS!).

        * platform/graphics/ShadowBlur.cpp:
        (WebCore::ShadowProperties::ShadowProperties):
        (WebCore::ShadowProperties::isCompatible):
        (WebCore::ScratchBuffer::ScratchBuffer):
        (WebCore::ScratchBuffer::setCachedShadowValues):
        (WebCore::ScratchBuffer::clearScratchBuffer):
        (WebCore::ScratchBuffer::cache):
        (WebCore::ScratchBuffer::getCachedBuffer):
        (WebCore::ShadowBlur::drawRectShadowWithoutTiling):
        (WebCore::ShadowBlur::drawInsetShadowWithoutTiling):
        (WebCore::ShadowBlur::drawInsetShadowWithTiling):
        (WebCore::ShadowBlur::drawRectShadowWithTiling):
        (WebCore::ShadowBlur::blurAndColorShadowBuffer):
Add support for tiled rotated rect shadows