Need to release the GL context.

ui/gfx/compositor/compositor_cc.cc

 // Copyright (c) 2011 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/gfx/compositor/compositor_cc.h"
 
 #include "base/command_line.h"
 #include "third_party/skia/include/images/SkImageEncoder.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositor.h"
@@ skipping 221 matching lines @@
   gfx::GLShareGroup* share_group =
       SharedResourcesCC::GetInstance()->GetShareGroup();
   WebKit::WebGraphicsContext3D* context =
       new webkit::gpu::WebGraphicsContext3DInProcessImpl(widget_, share_group);
   WebKit::WebGraphicsContext3D::Attributes attrs;
   context->initialize(attrs, 0, true);
 
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (!command_line->HasSwitch(switches::kDisableUIVsync)) {
     context->makeContextCurrent();
-    gfx::GLContext::GetCurrent()->SetSwapInterval(1);
+    gfx::GLContext* gl_context = gfx::GLContext::GetCurrent();
+    gl_context->SetSwapInterval(1);
+    gl_context->ReleaseCurrent(NULL);
   }
 
   return context;
 }
 
 void CompositorCC::didRebindGraphicsContext(bool success) {
 }
 
 void CompositorCC::scheduleComposite() {
   ScheduleDraw();
 }
 
 void CompositorCC::notifyNeedsComposite() {
   ScheduleDraw();
 }
 
 Compositor* Compositor::Create(CompositorDelegate* owner,
                                gfx::AcceleratedWidget widget,
                                const gfx::Size& size) {
   return new CompositorCC(owner, widget, size);
 }
 
 }  // namespace ui