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

mojo/shell/public/cpp/BUILD.gn

Index: mojo/shell/public/cpp/BUILD.gn
diff --git a/mojo/application/public/cpp/BUILD.gn b/mojo/shell/public/cpp/BUILD.gn
similarity index 92%
rename from mojo/application/public/cpp/BUILD.gn
rename to mojo/shell/public/cpp/BUILD.gn
index 990aae34f62e6e50d5e16fdc199bee6315d8aad6..55cd7822011deae078cd9adf7f864ad09e66ab65 100644
--- a/mojo/application/public/cpp/BUILD.gn
+++ b/mojo/shell/public/cpp/BUILD.gn
@@ -53,9 +53,9 @@ source_set("sources") {
 
   public_deps = [
     "//base",
-    "//mojo/application/public/interfaces",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/system",
+    "//mojo/shell/public/interfaces",
   ]
 }
 
@@ -75,9 +75,9 @@ source_set("content_handler") {
 
     # TODO: this code should not depend on base.
     "//base",
-    "//mojo/application/public/interfaces:interfaces_cpp_sources",
     "//mojo/message_pump",
     "//mojo/services/network/public/interfaces",
+    "//mojo/shell/public/interfaces:interfaces_cpp_sources",
   ]
 }
 
@@ -97,11 +97,11 @@ source_set("test_support") {
   deps = [
     "//base",
     "//base/test:test_support",
-    "//mojo/application/public/interfaces:interfaces_cpp_sources",
     "//mojo/logging",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/environment",
     "//mojo/public/cpp/system",
+    "//mojo/shell/public/interfaces:interfaces_cpp_sources",
   ]
 
   data_deps = []