BlobBuilder/FormData refactor attempt

WebCore/WebCore.pro

 # WebCore - qmake build info
 CONFIG += building-libs
 CONFIG += depend_includepath
 
 symbian: {
     TARGET.EPOCALLOWDLLDATA=1
     TARGET.CAPABILITY = All -Tcb
     isEmpty(QT_LIBINFIX) {
         TARGET.UID3 = 0x200267C2
     } else {
@@ skipping 797 matching lines @@
     page/XSSAuditor.cpp \
     plugins/PluginData.cpp \
     plugins/PluginArray.cpp \
     plugins/Plugin.cpp \
     plugins/PluginMainThreadScheduler.cpp \
     plugins/MimeType.cpp \
     plugins/MimeTypeArray.cpp \
     platform/animation/Animation.cpp \
     platform/animation/AnimationList.cpp \
     platform/Arena.cpp \
+    platform/BlobItem.cpp \
     platform/text/Base64.cpp \
     platform/text/BidiContext.cpp \
     platform/ContentType.cpp \
     platform/ContextMenu.cpp \
     platform/CrossThreadCopier.cpp \
     platform/DeprecatedPtrListImpl.cpp \
     platform/DragData.cpp \
     platform/DragImage.cpp \
     platform/FileChooser.cpp \
     platform/GeolocationService.cpp \
@@ skipping 729 matching lines @@
     page/SecurityOrigin.h \
     page/Settings.h \
     page/SpatialNavigation.h \
     page/WindowFeatures.h \
     page/WorkerNavigator.h \
     page/XSSAuditor.h \
     page/ZoomMode.h \
     platform/animation/Animation.h \
     platform/animation/AnimationList.h \
     platform/Arena.h \
+    platform/BlobItem.h \
     platform/ContentType.h \
     platform/ContextMenu.h \
     platform/CrossThreadCopier.h \
     platform/DeprecatedPtrListImpl.h \
     platform/DragData.h \
     platform/DragImage.h \
     platform/FileChooser.h \
     platform/GeolocationService.h \
     platform/image-decoders/ImageDecoder.h \
     platform/mock/GeolocationServiceMock.h \
@@ skipping 1521 matching lines @@
             # defFilePath is for Qt4.6 compatibility
             defFilePath=../WebKit/qt/symbian
         } else {
             MMP_RULES += EXPORTUNFROZEN
         }
     }
 }
 
 # Disable C++0x mode in WebCore for those who enabled it in their Qt's mkspec
 *-g++*:QMAKE_CXXFLAGS -= -std=c++0x -std=gnu++0x