Remove tools/clang (this will break things temporarily).

tools/clang/CMakeLists.txt

-cmake_minimum_required(VERSION 2.8.8)
-project(ChromeExtras)
-enable_testing()
-
-list(APPEND CMAKE_MODULE_PATH "${LLVM_BUILD_DIR}/share/llvm/cmake")
-
-# These tools are built using LLVM's build system, not Chromium's.
-# The build script generates a shim CMakeLists.txt in the LLVM source tree,
-# which simply forwards to this file.
-
-
-# Use rpath to find the bundled standard C++ library.
-set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
-if (APPLE)
-  set(CMAKE_INSTALL_NAME_DIR "@rpath")
-  set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
-else(UNIX)
-  set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib")
-endif()
-
-include_directories("${CMAKE_SOURCE_DIR}/include"
-                    "${CMAKE_SOURCE_DIR}/tools/clang/include"
-                    "${CMAKE_BINARY_DIR}/include"
-                    "${CMAKE_BINARY_DIR}/tools/clang/include")
-
-link_directories("${CMAKE_SOURCE_DIR}/lib"
-                 "${CMAKE_SOURCE_DIR}/tools/clang/lib"
-                 "${CMAKE_BINARY_DIR}/lib"
-                 "${CMAKE_BINARY_DIR}/tools/clang/lib")
-
-# cr_add_test(
-#   name
-#   testprog
-#   arguments...
-#   )
-function(cr_add_test name testprog)
-  add_test(NAME ${name} COMMAND ${testprog} ${ARGN})
-  add_dependencies(cr-check-all ${name})
-endfunction(cr_add_test)
-
-# Tests for all enabled tools can be run by building this target.
-add_custom_target(cr-check-all COMMAND ${CMAKE_CTEST_COMMAND} -V)
-
-function(cr_install)
-  install(${ARGN} COMPONENT chrome-tools OPTIONAL)
-endfunction(cr_install)
-
-# Custom install target, so the chrome tools can be installed without installing
-# all the other LLVM targets.
-add_custom_target(cr-install COMMAND
-  ${CMAKE_COMMAND} -D COMPONENT=chrome-tools -P cmake_install.cmake)
-
-foreach(tool ${CHROMIUM_TOOLS})
-  add_subdirectory(${tool})
-endforeach(tool)