Move InspectorBackendMojo out of the blink namespace

sky/viewer/document_view.h

Index: sky/viewer/document_view.h
diff --git a/sky/viewer/document_view.h b/sky/viewer/document_view.h
index df777d27abcd1fc6222ad51b53bf8f8c66bfbb39..31b4983fedff9755aca60910d9ef8995ccff05c8 100644
--- a/sky/viewer/document_view.h
+++ b/sky/viewer/document_view.h
@@ -31,7 +31,12 @@ class ViewManager;
 class View;
 }
 
+namespace inspector {
+class InspectorBackendMojo;
+}
+
 namespace sky {
+class InspectorHostImpl;
 class ScriptRunner;
 class WebLayerTreeViewImpl;
 
@@ -59,6 +64,8 @@ class DocumentView : public mojo::InterfaceImpl<mojo::Application>,
 
   mojo::Shell* shell() const { return shell_.get(); }
 
+  void StartDebuggerInspectorBackend();
+
  private:
   // Application methods:
   void AcceptConnection(const mojo::String& requestor_url,
@@ -123,6 +130,8 @@ class DocumentView : public mojo::InterfaceImpl<mojo::Application>,
   scoped_ptr<WebLayerTreeViewImpl> web_layer_tree_view_impl_;
   scoped_refptr<base::MessageLoopProxy> compositor_thread_;
   scoped_ptr<ScriptRunner> script_runner_;
+  scoped_ptr<InspectorHostImpl> inspector_host_;
+  scoped_ptr<inspector::InspectorBackendMojo> inspector_backend_;
   int debugger_id_;
 
   base::WeakPtrFactory<DocumentView> weak_factory_;