1 files changed, 44 insertions, 0 deletions
diff --git a/ui/gl/gl_share_group.cc b/ui/gl/gl_share_group.cc
new file mode 100644
index 0000000..8ab0cc7
--- /dev/null
+++ b/ui/gl/gl_share_group.cc
@@ -0,0 +1,44 @@
+// Copyright (c) 2012 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 "ui/gl/gl_share_group.h"
+
+#include "ui/gl/gl_context.h"
+
+namespace gfx {
+
+GLShareGroup::GLShareGroup() {
+}
+
+void GLShareGroup::AddContext(GLContext* context) {
+  contexts_.insert(context);
+}
+
+void GLShareGroup::RemoveContext(GLContext* context) {
+  contexts_.erase(context);
+}
+
+void* GLShareGroup::GetHandle() {
+  GLContext* context = GetContext();
+  if (context)
+    return context->GetHandle();
+
+  return NULL;
+}
+
+GLContext* GLShareGroup::GetContext() {
+  for (ContextSet::iterator it = contexts_.begin();
+       it != contexts_.end();
+       ++it) {
+    if ((*it)->GetHandle())
+      return *it;
+  }
+
+  return NULL;
+}
+
+GLShareGroup::~GLShareGroup() {
+}
+
+}  // namespace gfx