Embed a mojo ApplicationManager in content/browser

content/test/BUILD.gn

Index: content/test/BUILD.gn
diff --git a/content/test/BUILD.gn b/content/test/BUILD.gn
index 7a4377a1a6010baaa5e8dc4cb847fd09d5da23c8..cf1e24be097c882c80a1b9000952d3d11e1de001 100644
--- a/content/test/BUILD.gn
+++ b/content/test/BUILD.gn
@@ -55,6 +55,7 @@ source_set("test_support") {
 
     public_deps += [ "//third_party/WebKit/public:blink" ]
     deps += [
+      ":content_test_mojo_bindings",
       "//components/scheduler:scheduler",
       "//content/browser/speech/proto",
       "//content/public/child",
@@ -67,6 +68,8 @@ source_set("test_support") {
       "//cc:test_support",
       "//ipc/mojo",
       "//media",
+      "//mojo/application/public/cpp",
+      "//mojo/environment:chromium",
       "//ppapi/host",
       "//ppapi/proxy",
       "//ppapi/proxy:test_support",
@@ -200,6 +203,12 @@ source_set("browsertest_support") {
   }
 }
 
+mojom("content_test_mojo_bindings") {
+  sources = [
+    "../public/test/test_mojo_service.mojom",
+  ]
+}
+
 mojom("web_ui_test_mojo_bindings") {
   sources = [
     "data/web_ui_test_mojo_bindings.mojom",
@@ -278,6 +287,7 @@ if (!is_mac) {
       "//media/audio:test_support",
       "//media/base:test_support",
       "//media:shared_memory_support",
+      "//mojo/application/public/cpp",
       "//mojo/environment:chromium",
       "//net:test_support",
       "//ppapi/host",