Make browser process a singleton service

chrome/browser/browser_resources.grd

Index: chrome/browser/browser_resources.grd
diff --git a/chrome/browser/browser_resources.grd b/chrome/browser/browser_resources.grd
index 0d08173677fd9624097a4da7001c88b656536688..bb3b91034e03ebd8ebd68339f3be430601e038c6 100644
--- a/chrome/browser/browser_resources.grd
+++ b/chrome/browser/browser_resources.grd
@@ -625,6 +625,7 @@
       <include name="IDR_CHROME_CONTENT_BROWSER_MANIFEST_OVERLAY" file="${root_gen_dir}\chrome\app\chrome_content_browser_manifest_overlay.json" use_base_dir="false" type="BINDATA" />
       <include name="IDR_CHROME_CONTENT_GPU_MANIFEST_OVERLAY" file="${root_gen_dir}\chrome\app\chrome_content_gpu_manifest_overlay.json" type="BINDATA" use_base_dir="false" />
       <include name="IDR_CHROME_CONTENT_PLUGIN_MANIFEST_OVERLAY" file="${root_gen_dir}\chrome\app\chrome_content_plugin_manifest_overlay.json" type="BINDATA" use_base_dir="false" />
+      <include name="IDR_CHROME_CONTENT_PACKAGED_SERVICES_MANIFEST_OVERLAY" file="${root_gen_dir}\chrome\app\chrome_content_packaged_services_manifest_overlay.json" type="BINDATA" use_base_dir="false"/>

[sky, 2017/02/15 00:35:26]

Only include if enable_package_mash_services?

[Ken Rockot(use gerrit already), 2017/02/15 01:38:05]

Nope, this is used in and out of the mash environment. For example chrome
packages image_decoder and preferences services here in all environments.

       <include name="IDR_CHROME_CONTENT_RENDERER_MANIFEST_OVERLAY" file="${root_gen_dir}\chrome\app\chrome_content_renderer_manifest_overlay.json" type="BINDATA" use_base_dir="false" />
       <include name="IDR_CHROME_CONTENT_UTILITY_MANIFEST_OVERLAY" file="${root_gen_dir}\chrome\app\chrome_content_utility_manifest_overlay.json" type="BINDATA" use_base_dir="false" />
       <include name="IDR_NACL_LOADER_MANIFEST" file="../../components/nacl/loader/nacl_loader_manifest.json" type="BINDATA" />