Move Mojo channel initialization closer to IPC::Channel setup

content/content_browser.gypi

Index: content/content_browser.gypi
diff --git a/content/content_browser.gypi b/content/content_browser.gypi
index dcac8c864b97a9f0cc1260edce0445d02a6413ae..95fc65611618ad8e201f99676aa2c4481c44dd84 100644
--- a/content/content_browser.gypi
+++ b/content/content_browser.gypi
@@ -7,6 +7,7 @@
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
+    '../mojo/mojo.gyp:mojo_shell_bindings',
     '../net/net.gyp:net',
     '../skia/skia.gyp:skia',
     '../sql/sql.gyp:sql',
@@ -805,6 +806,8 @@
     'browser/message_port_service.h',
     'browser/mime_registry_message_filter.cc',
     'browser/mime_registry_message_filter.h',
+    'browser/mojo/mojo_application_host.cc',
+    'browser/mojo/mojo_application_host.h',
     'browser/net/browser_online_state_observer.cc',
     'browser/net/browser_online_state_observer.h',
     'browser/net/sqlite_persistent_cookie_store.cc',
@@ -1077,8 +1080,6 @@
     'browser/renderer_host/render_message_filter.h',
     'browser/renderer_host/render_process_host_impl.cc',
     'browser/renderer_host/render_process_host_impl.h',
-    'browser/renderer_host/render_process_host_mojo_impl.cc',
-    'browser/renderer_host/render_process_host_mojo_impl.h',
     'browser/renderer_host/render_sandbox_host_linux.cc',
     'browser/renderer_host/render_process_host_impl.h',
     'browser/renderer_host/render_view_host_delegate.cc',