Move linux sysroots from chrome/installer/linux to build/linux

.gitignore

 *.gypcmd
 *.mk
 *.ncb
 *.opensdf
 *.orig
 *.props
 *.pyc
 *.rules
 *.sdf
 *.sln
@@ skipping 42 matching lines @@
 /build/Debug_x64
 /build/gomacc.lock
 /build/ipch/
 /build/Release
 /build/Release_x64
 /build/win_toolchain.json
 /build/util/LASTCHANGE*
 /build/util/support
 /build/x64/
 /build/linux/bin/eu-strip
+/build/linux/debian_*-sysroot/
 /buildtools
 # The Chrome OS build creates a /c symlink due to http://crbug.com/54866.
 /c
 /cdm
 /ceee/internal/
 /chrome/angle_unittests_run.xml
 /chrome/content_gl_tests_run.xml
 /chrome/gl_tests_run.xml
 /chrome/gles2_conform_test_run.xml
 /chrome/tab_capture_performance_tests_run.xml
@@ skipping 15 matching lines @@
 /chrome/browser/resources/settings_internal/
 /chrome/browser/resources/software_rendering_list
 /chrome/browser/spellchecker/internal
 /chrome/browser_tests_run.xml
 /chrome/chrome_run.xml
 /chrome/chrome_user32_delay_imports.xml
 /chrome/chrome_version_resources.xml
 /chrome/common/extensions/api/api.xml
 /chrome/common/extensions/api/ledger/
 /chrome/Hammer
-/chrome/installer/linux/debian_wheezy_*-sysroot/
 /chrome/installer/linux/internal
 /chrome/installer/mac/internal
 /chrome/installer/mac/third_party/xz/xz
 /chrome/installer/mini_installer.xml
 /chrome/installer/mini_installer/mini_installer.aps
 /chrome/installer/mini_installer/support
 /chrome/installer/mini_installer_syzygy.xml
 /chrome/installer/mini_installer_tests_run.xml
 /chrome/installer_util_strings.xml
 /chrome/interactive_ui_tests_run.xml
@@ skipping 327 matching lines @@
 /ui/surface/surface.xml
 /ui/surface/surface_gpu_tests.xml
 /v8
 # Results directory for run-webkit-tests. http://crbug.com/488288
 /webkit
 /webpagereplay_logs/
 /win8/delegate_execute/delegate_execute_version_resources.xml
 /win8/metro_driver/metro_driver_version_resources.xml
 /x86-generic_out/
 /xcodebuild