Remove duplicate application cpp files in mojo/application.

components/view_manager/BUILD.gn

Index: components/view_manager/BUILD.gn
diff --git a/components/view_manager/BUILD.gn b/components/view_manager/BUILD.gn
index e38c42192ba4745882101f4265a49dc27b89ac88..cc80fb7b38ccc7a4352c72c79f5e9a1c1e212b8c 100644
--- a/components/view_manager/BUILD.gn
+++ b/components/view_manager/BUILD.gn
@@ -15,10 +15,8 @@ mojo_native_application("view_manager") {
     ":view_manager_lib",
     "//base",
     "//components/view_manager/public/interfaces",
-    "//mojo/application",
+    "//mojo/application/public/cpp",
     "//mojo/converters/geometry",
-    "//mojo/environment:chromium",
-    "//third_party/mojo/src/mojo/public/cpp/bindings:bindings",
   ]
 }
 
@@ -79,14 +77,11 @@ source_set("view_manager_lib") {
     "//components/view_manager/public/cpp:common",
     "//components/view_manager/public/interfaces",
     "//components/view_manager/native_viewport",
-    "//mojo/application",
-    "//mojo/application/public/interfaces",
-    "//mojo/common",
+    "//mojo/application/public/cpp",
     "//mojo/common:tracing_impl",
     "//mojo/converters/geometry",
     "//mojo/converters/input_events",
     "//mojo/converters/surfaces",
-    "//third_party/mojo/src/mojo/public/cpp/bindings:bindings",
     "//third_party/mojo/src/mojo/public/cpp/bindings:callback",
     "//ui/mojo/geometry:interfaces",
     "//ui/mojo/events:interfaces",
@@ -171,10 +166,7 @@ mojo_native_application("apptests") {
     "//base/test:test_config",
     "//components/view_manager/public/cpp",
     "//components/view_manager/public/interfaces",
-    "//mojo/application",
-    "//mojo/application:test_support",
-    "//mojo/common",
-    "//third_party/mojo/src/mojo/public/cpp/bindings:bindings",
+    "//mojo/application/public/cpp:test_support",
     "//ui/mojo/geometry:interfaces",
     "//ui/mojo/geometry:util",
   ]