Fix several leaks in the Sky compositor

sky/compositor/layer_host.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sky/compositor/layer_host.h"
 
 #include "base/debug/trace_event.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
 #include "mojo/gpu/gl_context.h"
 #include "mojo/services/public/cpp/surfaces/surfaces_utils.h"
 #include "mojo/skia/ganesh_context.h"
 #include "sky/compositor/layer.h"
 
 namespace sky {
 
 LayerHost::LayerHost(LayerHostClient* client)
     : client_(client),
       state_(kWaitingForSurfaceService),
       frame_requested_(false),
       surface_holder_(this, client->GetShell()),
-      gl_context_(mojo::GLContext::Create(client->GetShell())),
-      ganesh_context_(gl_context_),
-      resource_manager_(gl_context_),
+      gl_context_owner_(client->GetShell()),
+      ganesh_context_(gl_context()),
+      resource_manager_(gl_context()),
       weak_factory_(this) {
 }
 
 LayerHost::~LayerHost() {
 }
 
 void LayerHost::SetNeedsAnimate() {
   if (frame_requested_)
     return;
   frame_requested_ = true;
@@ skipping 105 matching lines @@
 }
 
 void LayerHost::DidCompleteFrame() {
   DCHECK_EQ(state_, kWaitingForFrameAcknowldgement);
   state_ = kReadyForFrame;
   if (frame_requested_)
     BeginFrame();
 }
 
 }  // namespace sky