blimp: Move compositing, input and render widget feature to client/core.

blimp/client/core/contents/blimp_contents_manager.cc

Index: blimp/client/core/contents/blimp_contents_manager.cc
diff --git a/blimp/client/core/contents/blimp_contents_manager.cc b/blimp/client/core/contents/blimp_contents_manager.cc
index f0a1f6bf560da4167512eb7a99ba49eced4195f3..7284970083f454e679195cf98afaa5cb1558933f 100644
--- a/blimp/client/core/contents/blimp_contents_manager.cc
+++ b/blimp/client/core/contents/blimp_contents_manager.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_task_runner_handle.h"
+#include "blimp/client/core/compositor/compositor_deps_provider.h"
 #include "blimp/client/public/contents/blimp_contents_observer.h"
 
 namespace {
@@ -47,14 +48,16 @@ void BlimpContentsManager::BlimpContentsDeletionObserver::
                             blimp_contents_manager_->GetWeakPtr(), id));
 }
 
-BlimpContentsManager::BlimpContentsManager() : weak_ptr_factory_(this) {}
+BlimpContentsManager::BlimpContentsManager(
+    RenderWidgetFeature* render_widget_feature)
+    : render_widget_feature_(render_widget_feature), weak_ptr_factory_(this) {}
 
 BlimpContentsManager::~BlimpContentsManager() {}
 
 std::unique_ptr<BlimpContentsImpl> BlimpContentsManager::CreateBlimpContents() {
   int id = CreateBlimpContentsId();
   std::unique_ptr<BlimpContentsImpl> new_contents =
-      base::MakeUnique<BlimpContentsImpl>(id);
+      base::MakeUnique<BlimpContentsImpl>(id, render_widget_feature_);
   std::unique_ptr<BlimpContentsDeletionObserver> observer =
       base::MakeUnique<BlimpContentsDeletionObserver>(this, new_contents.get());
   observer_map_.insert(