Embed a simple Mojo shell in content

chrome/utility/chrome_content_utility_client.h

Index: chrome/utility/chrome_content_utility_client.h
diff --git a/chrome/utility/chrome_content_utility_client.h b/chrome/utility/chrome_content_utility_client.h
index 8134fe4f72dd3a87fe022cc3b7a5b8a5580d2dfb..db68775e12d7f191ced61b7dbe4a1c19670af741 100644
--- a/chrome/utility/chrome_content_utility_client.h
+++ b/chrome/utility/chrome_content_utility_client.h
@@ -10,15 +10,22 @@
 #include <vector>
 
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "content/public/utility/content_utility_client.h"
 #include "ipc/ipc_platform_file.h"
+#include "mojo/common/weak_binding_set.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
 
 namespace base {
 class FilePath;
 struct FileDescriptor;
 }
 
+namespace content {
+class Process;
+}
+
 class UtilityMessageHandler;
 
 class ChromeContentUtilityClient : public content::ContentUtilityClient {
@@ -81,6 +88,8 @@ class ChromeContentUtilityClient : public content::ContentUtilityClient {
                             bool get_attached_images);
 #endif
 
+  void BindProcessRequest(mojo::InterfaceRequest<content::Process> request);
+
   typedef ScopedVector<UtilityMessageHandler> Handlers;
   Handlers handlers_;
 
@@ -91,6 +100,11 @@ class ChromeContentUtilityClient : public content::ContentUtilityClient {
   // Maximum IPC msg size (default to kMaximumMessageSize; override for testing)
   static int64_t max_ipc_message_size_;
 
+  // Mojo child process implementation.
+  scoped_ptr<content::Process> process_impl_;
+  // Bindings to the Process impl.
+  mojo::WeakBindingSet<content::Process> process_bindings_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeContentUtilityClient);
 };