Add CC to the GN build, work on GPU more

gpu/skia_bindings/BUILD.gn

Index: gpu/skia_bindings/BUILD.gn
diff --git a/components/metrics/BUILD.gn b/gpu/skia_bindings/BUILD.gn
similarity index 54%
copy from components/metrics/BUILD.gn
copy to gpu/skia_bindings/BUILD.gn
index 72fc0fe1227ecd9d8d0ed56106944998391a40e6..2bd2a44a3c4933348af7d9018fbd0c1e0fe039b1 100644
--- a/components/metrics/BUILD.gn
+++ b/gpu/skia_bindings/BUILD.gn
@@ -2,13 +2,13 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-source_set("metrics") {
+source_set("skia_bindings") {
   sources = [
-    "metrics_hashes.cc",
-    "metrics_hashes.h",
+    "gl_bindings_skia_cmd_buffer.cc",
+    "gl_bindings_skia_cmd_buffer.h",
   ]
-
   deps = [
-    "//base",
+    "//gpu/command_buffer/client:gles2_c_lib",
+    "//skia",
   ]
 }