Reviewed by Adam, Sam and Tim.

    Reviewed by Adam, Sam and Tim.

        - Moving files to prepare for cross-platform architecture.

        * Drosera/DebuggerApplication.h: Removed.
        * Drosera/DebuggerApplication.m: Removed.
        * Drosera/DebuggerDocument.h: Removed.
        * Drosera/DebuggerDocument.m: Removed.
        * Drosera/Drosera.pch: Removed.
        * Drosera/Drosera.xcodeproj: Removed.
        * Drosera/Drosera.xcodeproj/project.pbxproj: Removed.
        * Drosera/Info.plist: Removed.
        * Drosera/LauncherInfo.plist: Removed.
        * Drosera/Makefile: Removed.
        * Drosera/launcher.m: Removed.
        * Drosera/mac: Added.
        * Drosera/mac/DebuggerApplication.h: Copied from Drosera/DebuggerApplication.h.
        * Drosera/mac/DebuggerApplication.mm: Copied from Drosera/DebuggerApplication.m.
        * Drosera/mac/DebuggerDocument.h: Copied from Drosera/DebuggerDocument.h.
        * Drosera/mac/DebuggerDocument.mm: Copied from Drosera/DebuggerDocument.m.
        * Drosera/mac/Drosera.pch: Copied from Drosera/Drosera.pch.
        * Drosera/mac/Drosera.xcodeproj: Copied from Drosera/Drosera.xcodeproj.
        * Drosera/mac/Drosera.xcodeproj/project.pbxproj:
        * Drosera/mac/Info.plist: Copied from Drosera/Info.plist.
        * Drosera/mac/LauncherInfo.plist: Copied from Drosera/LauncherInfo.plist.
        * Drosera/mac/Makefile: Copied from Drosera/Makefile.
        * Drosera/mac/launcher.m: Copied from Drosera/launcher.m.
        * Drosera/mac/main.m: Copied from Drosera/main.m.
        * Drosera/main.m: Removed.
        * Makefile:
        * Makefile.Drosera: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@24319 268f45cc-cd09-0410-ab3c-d52691b4dbfc