[mojo] Make HTML viewer load the blink resources from the generated pak file.

mojo/services/html_viewer/BUILD.gn

Index: mojo/services/html_viewer/BUILD.gn
diff --git a/mojo/services/html_viewer/BUILD.gn b/mojo/services/html_viewer/BUILD.gn
index 31c6700204cdc3e423f9ccd8de0e4e859da6c657..b7c83b77c4ea83a03320a829c159559ea82149e3 100644
--- a/mojo/services/html_viewer/BUILD.gn
+++ b/mojo/services/html_viewer/BUILD.gn
@@ -5,6 +5,19 @@
 import("//mojo/public/mojo.gni")
 import("//mojo/public/mojo_application.gni")
 
+copy("copy_blink_resources") {
+  sources = [
+    "$root_out_dir/gen/blink/public/resources/blink_resources.pak",
+  ]
+  outputs = [
+    "$root_out_dir/blink_resources.pak",
+  ]
+
+  public_deps = [
+    "//third_party/WebKit/public:resources",
+  ]
+}
+
 source_set("lib") {
   sources = [
     "ax_provider_impl.cc",
@@ -81,6 +94,7 @@ source_set("lib") {
 
   public_deps = [
     "//third_party/WebKit/public:blink",
+    ":copy_blink_resources",
   ]
 }