Move shell interfaces into the shell.mojom namespace.

mojo/shell/application_manager_apptest.cc

Index: mojo/shell/application_manager_apptest.cc
diff --git a/mojo/shell/application_manager_apptest.cc b/mojo/shell/application_manager_apptest.cc
index aedc2256483b6ab3aeff15fc1c1afbeec429287f..e0abdd5b083c1cdbbe5b35d6fbf9bc665a236021 100644
--- a/mojo/shell/application_manager_apptest.cc
+++ b/mojo/shell/application_manager_apptest.cc
@@ -31,7 +31,7 @@ class ApplicationManagerAppTestDelegate
       public CreateInstanceForHandleTest {
  public:
   ApplicationManagerAppTestDelegate()
-      : target_id_(Shell::kInvalidApplicationID),
+      : target_id_(mojom::Shell::kInvalidApplicationID),
         binding_(this) {}
   ~ApplicationManagerAppTestDelegate() override {}
 
@@ -183,9 +183,9 @@ TEST_F(ApplicationManagerAppTest, CreateInstanceForHandle) {
   //    mojo:application_manager_apptests)
   base::MessageLoop::current()->Run();
 
-  uint32_t remote_id = Shell::kInvalidApplicationID;
+  uint32_t remote_id = mojom::Shell::kInvalidApplicationID;
   EXPECT_TRUE(connection->GetRemoteApplicationID(&remote_id));
-  EXPECT_NE(Shell::kInvalidApplicationID, remote_id);
+  EXPECT_NE(mojom::Shell::kInvalidApplicationID, remote_id);
 
   // 3. Validate that this test suite's pretty name was consumed from its
   //    manifest.