Do another merge using nifty new merge script (CL for that coming soon).

third_party/WebKit/WebCore/WebCore.pro

 # WebCore - qmake build info
 CONFIG += building-libs
 CONFIG += depend_includepath
 include($$PWD/../WebKit.pri)
 
 TEMPLATE = lib
 TARGET = QtWebKit
 
 contains(QT_CONFIG, embedded):CONFIG += embedded
 
@@ skipping 806 matching lines @@
     platform/DragImage.cpp \
     platform/FileChooser.cpp \
     platform/GeolocationService.cpp \
     platform/graphics/FontDescription.cpp \
     platform/graphics/FontFamily.cpp \
     platform/graphics/AffineTransform.cpp \
     platform/graphics/BitmapImage.cpp \
     platform/graphics/Color.cpp \
     platform/graphics/FloatPoint3D.cpp \
     platform/graphics/FloatPoint.cpp \
+    platform/graphics/FloatQuad.cpp \
     platform/graphics/FloatRect.cpp \
     platform/graphics/FloatSize.cpp \
     platform/graphics/FontData.cpp \
     platform/graphics/GeneratedImage.cpp \
     platform/graphics/Gradient.cpp \
     platform/graphics/GraphicsContext.cpp \
     platform/graphics/GraphicsTypes.cpp \
     platform/graphics/Image.cpp \
     platform/graphics/IntRect.cpp \
     platform/graphics/Path.cpp \
@@ skipping 1058 matching lines @@
         CONFIG += create_pc create_prl
         QMAKE_PKGCONFIG_LIBDIR = $$target.path
         QMAKE_PKGCONFIG_INCDIR = $$headers.path
         QMAKE_PKGCONFIG_DESTDIR = pkgconfig
         lib_replace.match = $$DESTDIR
         lib_replace.replace = $$[QT_INSTALL_LIBS]
         QMAKE_PKGCONFIG_INSTALL_REPLACE += lib_replace
     }
 }