diff --git a/chromiumcontent/BUILD.gn b/chromiumcontent/BUILD.gn
index 6ec370f6..cfd5c26e 100644
--- a/chromiumcontent/BUILD.gn
+++ b/chromiumcontent/BUILD.gn
@@ -34,7 +34,7 @@ group("targets") {
     ]
 
     if (is_linux) {
-      deps += [ "//chrome/browser/ui/libgtkui:libgtk2ui" ]
+      deps += [ "//chrome/browser/ui/libgtkui:libgtk3ui" ]
     }
 
     if (is_component_build) {
@@ -156,13 +156,13 @@ if (is_electron_build && is_component_build) {
     static_library("libgtkui") {
       complete_static_lib = true
       sources = [
-        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk2ui/app_indicator_icon.o",
-        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk2ui/app_indicator_icon_menu.o",
-        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk2ui/gtk_util.o",
-        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk2ui/gtk_status_icon.o",
-        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk2ui/menu_util.o",
-        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk2ui/skia_utils_gtk.o",
-        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk2ui/unity_service.o",
+        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk3ui/app_indicator_icon.o",
+        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk3ui/app_indicator_icon_menu.o",
+        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk3ui/gtk_util.o",
+        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk3ui/gtk_status_icon.o",
+        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk3ui/menu_util.o",
+        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk3ui/skia_utils_gtk.o",
+        "$root_out_dir/obj/chrome/browser/ui/libgtkui/libgtk3ui/unity_service.o",
       ]
     }
   }
diff --git a/script/update b/script/update
index 7e1526db..b06c1406 100755
--- a/script/update
+++ b/script/update
@@ -310,29 +310,26 @@ def run_gn(target_arch, defines):
     args = 'import("//chromiumcontent/args/{0}.gn") target_cpu="{1}"'.format(component, target_cpu)
     if sys.platform in ['win32', 'cygwin']:
       args += ' use_allocator_shim=false'
-    if sys.platform == 'linux2':
-      args += ' use_gtk3=false'
-      if target_arch == 'mips64el':
-        args += ' clang_use_chrome_plugins=false'
-        args += ' enable_hangout_services_extension=true'
-        args += ' enable_nacl_nonsfi=false'
-        args += ' fatal_linker_warnings=false'
-        args += ' fieldtrial_testing_like_official_build=true'
-        args += ' is_clang=false'
-        args += ' link_pulseaudio=true'
-        args += ' linux_use_bundled_binutils=false'
-        args += ' remove_webcore_debug_symbols=true'
-        args += ' treat_warnings_as_errors=false'
-        args += ' use_allocator="none"'
-        args += ' use_cups=true'
-        args += ' use_gconf=false'
-        args += ' use_gnome_keyring=false'
-        args += ' use_gold=false'
-        args += ' use_kerberos=true'
-        args += ' use_pulseaudio=true'
-        if IS_MIPS64EL_HOST:
-          args += ' use_sysroot=false'
-
+    if sys.platform == 'linux2' and target_arch == 'mips64el':
+      args += ' clang_use_chrome_plugins=false'
+      args += ' enable_hangout_services_extension=true'
+      args += ' enable_nacl_nonsfi=false'
+      args += ' fatal_linker_warnings=false'
+      args += ' fieldtrial_testing_like_official_build=true'
+      args += ' is_clang=false'
+      args += ' link_pulseaudio=true'
+      args += ' linux_use_bundled_binutils=false'
+      args += ' remove_webcore_debug_symbols=true'
+      args += ' treat_warnings_as_errors=false'
+      args += ' use_allocator="none"'
+      args += ' use_cups=true'
+      args += ' use_gconf=false'
+      args += ' use_gnome_keyring=false'
+      args += ' use_gold=false'
+      args += ' use_kerberos=true'
+      args += ' use_pulseaudio=true'
+      if IS_MIPS64EL_HOST:
+        args += ' use_sysroot=false'
     output_dir = get_output_dir(SOURCE_ROOT, target_arch, component)
     subprocess.call([gn, 'gen', os.path.relpath(output_dir, SRC_DIR), '--args=' + args],
                     cwd=SRC_DIR, env=env)