Introduce intent manager.

shell/android/android_handler.h

Index: shell/android/android_handler.h
diff --git a/shell/android/android_handler.h b/shell/android/android_handler.h
index 1e1ad969594ddc0bd6c6c82d7272706857f2414d..24866241ad601f365ef74218fc814b99a6103ba5 100644
--- a/shell/android/android_handler.h
+++ b/shell/android/android_handler.h
@@ -11,6 +11,7 @@
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/interface_factory_impl.h"
 #include "mojo/services/content_handler/public/interfaces/content_handler.mojom.h"
+#include "shell/android/intent_manager_factory.h"
 
 namespace base {
 class FilePath;
@@ -35,6 +36,8 @@ class AndroidHandler : public ApplicationDelegate,
                       URLResponsePtr response) override;
 
   ContentHandlerFactory content_handler_factory_;
+  IntentManagerFactory intent_manager_factory_;
+
   MOJO_DISALLOW_COPY_AND_ASSIGN(AndroidHandler);
 };