Move mojo/application/public -> mojo/shell/public

TBR=sky@chromium.org
http://crbug.com/575308

Review URL: https://codereview.chromium.org/1565343003

Cr-Commit-Position: refs/heads/master@{#368776}

diff --git a/BUILD.gn b/BUILD.gn
index 205e74c..741ae414 100644
--- a/BUILD.gn
+++ b/BUILD.gn

@@ -175,8 +175,8 @@
       "//media/cast:cast_unittests",
       "//media/midi:midi_unittests",
       "//mojo",
-      "//mojo/application/public/cpp",
       "//mojo/common:mojo_common_unittests",
+      "//mojo/shell/public/cpp",
       "//net:net_perftests",
 
       # TODO(use-new-edk):
@@ -505,7 +505,7 @@
       # TODO(GYP): Remove this when the gles2 tests work
       "//gpu/command_buffer/client:gles2_implementation_no_check",
       "//gpu/khronos_glcts_support:khronos_glcts_test",  # TODO(GYP) crbug.com/471903 to make this complete.
-      "//mojo/application/public/cpp",
+      "//mojo/shell/public/cpp",
       "//testing/gmock:gmock_main",
 
       # TODO(use-new-edk):