build: [gn] win and linux depend on :packed_resources

Also, roll libcc to include
9b66eb4f04

BUILD.gn

@@ -366,7 +366,7 @@ static_library("electron_lib") {
 
 electron_paks("packed_resources") {
   if (is_mac) {
-    output_dir = "$root_gen_dir/electron_repack"
+    output_dir = "$root_gen_dir/repack"
     copy_data_to_bundle = true
   } else {
     output_dir = root_out_dir
@@ -589,6 +589,7 @@ if (is_mac) {
       ":electron_app_manifest",
       ":electron_lib",
       ":js2asar",
+      ":packed_resources",
       "//build/config:exe_and_shlib_deps",
       "//ui/strings",
       "//content:sandbox_helper_win",

DEPS

@@ -2,7 +2,7 @@ vars = {
   'chromium_version':
     '66.0.3359.181',
   'libchromiumcontent_revision':
-    '108379153e00ebaa8bdc4270008ac15feb901cc0',
+    'da319e78282d75186513ec2ee47837cfdbc80240',
   'node_version':
     'v10.2.0-36-ga782199c99',