Reviewed by Simon Fraser.

        Add back an AffineTransform class for use by SVG
        https://bugs.webkit.org/show_bug.cgi?id=33750

        These are the first steps on reimplementing AffineTransform. Unlike
        the old affine code, this one is platform independent like TransformationMatrix.
        AffineTransform has the benefit, that it stores just 6 doubles instead of
        16 in TransformationMatrix. The calculations of transformations are not that
        complex and can improve the memory usage and speed of SVG.
        AffineTransform can be used by HTML Canvas3D or SVG, since they are 2D related (at
        least for the moment).
        HTML Canvas is the first that makes use of the new AffineTransform. Next patches
        will introduce the affine code to SVG.

        No new tests. The new AffineTransformation code is tested by fast/canvas.

        * Android.mk:
        * GNUmakefile.am:
        * WebCore.gypi:
        * WebCore.pro:
        * WebCore.vcproj/WebCore.vcproj:
        * WebCore.xcodeproj/project.pbxproj:
        * html/canvas/CanvasRenderingContext2D.cpp:
        (WebCore::CanvasRenderingContext2D::scale):
        (WebCore::CanvasRenderingContext2D::rotate):
        (WebCore::CanvasRenderingContext2D::translate):
        (WebCore::CanvasRenderingContext2D::transform):
        (WebCore::CanvasRenderingContext2D::setTransform):
        (WebCore::CanvasRenderingContext2D::isPointInPath):
        (WebCore::CanvasRenderingContext2D::willDraw):
        * html/canvas/CanvasRenderingContext2D.h:
        * platform/graphics/GraphicsContext.h:
        * platform/graphics/Path.h:
        * platform/graphics/cairo/GraphicsContextCairo.cpp:
        (WebCore::GraphicsContext::getAffineCTM):
        (WebCore::GraphicsContext::concatCTM):
        * platform/graphics/cairo/GraphicsContextPlatformPrivateCairo.h:
        (WebCore::GraphicsContextPlatformPrivate::concatCTM):
        * platform/graphics/cairo/PathCairo.cpp:
        (WebCore::Path::transform):
        * platform/graphics/cairo/TransformationMatrixCairo.cpp:
        (WebCore::AffineTransform::operator cairo_matrix_t):
        * platform/graphics/cg/GraphicsContextCG.cpp:
        (WebCore::GraphicsContext::concatCTM):
        (WebCore::GraphicsContext::getAffineCTM):
        * platform/graphics/cg/GraphicsContextPlatformPrivateCG.h:
        (WebCore::GraphicsContextPlatformPrivate::concatCTM):
        * platform/graphics/cg/PathCG.cpp:
        (WebCore::Path::transform):
        * platform/graphics/cg/TransformationMatrixCG.cpp:
        (WebCore::AffineTransform::operator CGAffineTransform):
        * platform/graphics/haiku/GraphicsContextHaiku.cpp:
        (WebCore::GraphicsContext::getAffineCTM):
        (WebCore::GraphicsContext::concatCTM):
        * platform/graphics/haiku/PathHaiku.cpp:
        (WebCore::Path::transform):
        * platform/graphics/qt/GraphicsContextQt.cpp:
        (WebCore::GraphicsContext::getAffineCTM):
        (WebCore::GraphicsContext::concatCTM):
        * platform/graphics/qt/PathQt.cpp:
        (WebCore::Path::transform):
        * platform/graphics/qt/TransformationMatrixQt.cpp:
        (WebCore::AffineTransform::operator QTransform):
        * platform/graphics/skia/GraphicsContextSkia.cpp:
        (WebCore::GraphicsContext::concatCTM):
        (WebCore::GraphicsContext::getAffineCTM):
        * platform/graphics/skia/PathSkia.cpp:
        (WebCore::Path::transform):
        * platform/graphics/skia/TransformationMatrixSkia.cpp:
        (WebCore::AffineTransform::operator SkMatrix):
        * platform/graphics/transforms/AffineTransform.cpp: Added.
        (WebCore::affineTransformDecompose):
        (WebCore::affineTransformCompose):
        (WebCore::AffineTransform::AffineTransform):
        (WebCore::AffineTransform::reset):
        (WebCore::AffineTransform::setMatrix):
        (WebCore::AffineTransform::isIdentity):
        (WebCore::AffineTransform::det):
        (WebCore::AffineTransform::isInvertible):
        (WebCore::AffineTransform::inverse):
        (WebCore::AffineTransform::multiply):
        (WebCore::AffineTransform::multLeft):
        (WebCore::AffineTransform::rotate):
        (WebCore::AffineTransform::scale):
        (WebCore::AffineTransform::translate):
        (WebCore::AffineTransform::scaleNonUniform):
        (WebCore::AffineTransform::rotateFromVector):
        (WebCore::AffineTransform::flipX):
        (WebCore::AffineTransform::flipY):
        (WebCore::AffineTransform::shear):
        (WebCore::AffineTransform::skew):
        (WebCore::AffineTransform::skewX):
        (WebCore::AffineTransform::skewY):
        (WebCore::makeMapBetweenRects):
        (WebCore::AffineTransform::map):
        (WebCore::AffineTransform::mapPoint):
        (WebCore::AffineTransform::mapRect):
        (WebCore::AffineTransform::blend):
        (WebCore::AffineTransform::toTransformationMatrix):
        * platform/graphics/transforms/AffineTransform.h: Added.
        (WebCore::AffineTransform::a):
        (WebCore::AffineTransform::setA):
        (WebCore::AffineTransform::b):
        (WebCore::AffineTransform::setB):
        (WebCore::AffineTransform::c):
        (WebCore::AffineTransform::setC):
        (WebCore::AffineTransform::d):
        (WebCore::AffineTransform::setD):
        (WebCore::AffineTransform::e):
        (WebCore::AffineTransform::setE):
        (WebCore::AffineTransform::f):
        (WebCore::AffineTransform::setF):
        (WebCore::AffineTransform::operator== ):
        (WebCore::AffineTransform::operator!=):
        (WebCore::AffineTransform::operator*=):
        (WebCore::AffineTransform::operator*):
        (WebCore::AffineTransform::setMatrix):
        * platform/graphics/win/GraphicsContextWin.cpp:
        (WebCore::GraphicsContextPlatformPrivate::concatCTM):
        * platform/graphics/wince/GraphicsContextWince.cpp:
        (WebCore::GraphicsContext::concatCTM):
        (WebCore::GraphicsContext::getAffineCTM):
        * platform/graphics/wx/GraphicsContextWx.cpp:
        (WebCore::GraphicsContext::getAffineCTM):
        (WebCore::GraphicsContext::concatCTM):
        * platform/graphics/wx/PathWx.cpp:
        (WebCore::Path::transform):
        * platform/graphics/wx/TransformationMatrixWx.cpp:
        (WebCore::AffineTransform::operator wxGraphicsMatrix):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@54137 268f45cc-cd09-0410-ab3c-d52691b4dbfc