Separate mojo/shell into a runner and the application manager (shell)

mojo/runner/data_pipe_peek_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mojo/shell/application_manager/data_pipe_peek.h"
+#include "mojo/shell/data_pipe_peek.h"
 
-#include "mojo/shell/context.h"
+#include "mojo/runner/context.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace shell {
 namespace {
 
 TEST(DataPipePeek, PeekNBytes) {
   Context::EnsureEmbedderIsInitialized();
 
   DataPipe data_pipe;
@@ skipping 86 matching lines @@
   // If the max_line_length parameter is less than the length of the
   // newline terminated string, then peek should fail.
 
   max_str_length = 3;
   EXPECT_FALSE(BlockingPeekLine(consumer, &str, max_str_length, timeout));
 }
 
 }  // namespace
 }  // namespace shell
 }  // namespace mojo