Revert of Remove dependency on content from remoting_host.

remoting/host/input_injector_chromeos.cc

Index: remoting/host/input_injector_chromeos.cc
diff --git a/remoting/host/input_injector_chromeos.cc b/remoting/host/input_injector_chromeos.cc
index 569119163b011d277edf97cc0ff2c1569d11dcec..26eeae17dbb1c25172386ef93d30144e9c5ee0cb 100644
--- a/remoting/host/input_injector_chromeos.cc
+++ b/remoting/host/input_injector_chromeos.cc
@@ -78,9 +78,12 @@
                                   ui::InputController* input_controller)
     : delegate_(delegate.Pass()),
       input_controller_(input_controller),
+      // Implemented by remoting::ClipboardAura.
+      clipboard_(Clipboard::Create()),
       saved_auto_repeat_enabled_(false) {
   DCHECK(delegate_);
   DCHECK(input_controller_);
+  DCHECK(clipboard_);
 }
 
 void InputInjectorChromeos::Core::InjectClipboardEvent(
@@ -156,7 +159,6 @@
 
 void InputInjectorChromeos::Core::Start(
     scoped_ptr<protocol::ClipboardStub> client_clipboard) {
-  clipboard_.reset(Clipboard::Create());
   clipboard_->Start(client_clipboard.Pass());
   point_transformer_.reset(new PointTransformer());
 }