Enable NaCl build on ARM.

chromeos-base/chromeos-chrome/chromeos-chrome-9999.ebuild

 # Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
 # Distributed under the terms of the GNU General Public License v2
 
 # Usage: by default, downloads chromium browser from the build server.
 # If CHROME_ORIGIN is set to one of {SERVER_SOURCE, LOCAL_SOURCE, LOCAL_BINARY},
 # the build comes from the chromimum source repository (gclient sync),
 # build server, locally provided source, or locally provided binary.
 # If you are using SERVER_SOURCE, a gclient template file that is in the files
 # directory which will be copied automatically during the build and used as
 # the .gclient for 'gclient sync'.
@@ skipping 180 matching lines @@
 
 IUSE="${IUSE} +autotest"
 
 export CHROMIUM_HOME=/usr/$(get_libdir)/chromium-browser
 
 QA_TEXTRELS="*"
 QA_EXECSTACK="*"
 QA_PRESTRIPPED="*"
 
 use_nacl() {
-        (use amd64 || use x86) && ! use asan && ! use component_build && ! use drm
+        (use amd64 || use x86 || use arm) && ! use asan && ! use component_build && ! use drm
 }
 
 set_build_defines() {
         # Set proper BUILD_DEFINES for the arch
         if [ "$ARCH" = "x86" ]; then
                 BUILD_DEFINES="target_arch=ia32 enable_smooth_scrolling=1 $BUILD_DEFINES";
         elif [ "$ARCH" = "arm" ]; then
                 BUILD_DEFINES="target_arch=arm $BUILD_DEFINES armv7=1 v8_can_use_unaligned_accesses=true";
                 if [ "$(expr match "$ARM_FPU" "vfpv3")" -ne 0 ]; then
                         BUILD_DEFINES="$BUILD_DEFINES v8_can_use_vfp_instructions=true";
@@ skipping 492 matching lines @@
                 TEST_TARGETS="${TEST_FILES}
                         performance_ui_tests
                         ui_tests
                         pyautolib
                         chromedriver
                         browser_tests
                         sync_integration_tests"
                 echo Building test targets: ${TEST_TARGETS}
         fi
 
+        if use_nacl; then
+                NACL_TARGETS="nacl_helper_bootstrap nacl_helper"
+        fi
+
         if use drm; then
                 time emake -r $(use verbose && echo V=1) \
                         BUILDTYPE="${BUILDTYPE}" \
                         aura_demo ash_shell \
                         chrome chrome_sandbox default_extensions \
                         || die "compilation failed"
         else
                 time emake -r $(use verbose && echo V=1) \
                         BUILDTYPE="${BUILDTYPE}" \
                         chrome chrome_sandbox libosmesa.so default_extensions \
+                        ${NACL_TARGETS} \
                         ${TEST_TARGETS} \
                         || die "compilation failed"
         fi
 
         if use build_tests; then
                 install_chrome_test_resources "${WORKDIR}/test_src"
                 install_pyauto_dep_resources "${WORKDIR}/pyauto_src"
 
                 # NOTE: Since chrome is built inside distfiles, we have to get
                 # rid of the previous instance first.
@@ skipping 268 matching lines @@
                         else
                                 die No internal Flash plugin.
                         fi
                 else
                         # Use Flash from www-plugins/adobe-flash package.
                         dosym /opt/netscape/plugins/libflashplayer.so \
                                 "${CHROME_DIR}"/plugins/libflashplayer.so
                 fi
         fi
 }