Plumbing explicit share groups through context creation

content/browser/gpu/gpu_ipc_browsertests.cc

Index: content/browser/gpu/gpu_ipc_browsertests.cc
diff --git a/content/browser/gpu/gpu_ipc_browsertests.cc b/content/browser/gpu/gpu_ipc_browsertests.cc
index d1ebfffc9ae3c83fd18560f26fab07ede55c727d..e4173756b1c8864b0cf390194f69a92175a1fe08 100644
--- a/content/browser/gpu/gpu_ipc_browsertests.cc
+++ b/content/browser/gpu/gpu_ipc_browsertests.cc
@@ -42,7 +42,8 @@ class ContextTestBase : public content::ContentBrowserTest {
             gpu_channel_host.get(),
             blink::WebGraphicsContext3D::Attributes(),
             GURL(),
-            WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits()));
+            WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits(),
+            NULL));
     CHECK(context_.get());
     context_->makeContextCurrent();
     context_support_ = context_->GetContextSupport();
@@ -129,7 +130,8 @@ class BrowserGpuChannelHostFactoryTest : public ContextTestBase {
             GetGpuChannel(),
             blink::WebGraphicsContext3D::Attributes(),
             GURL(),
-            WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits()));
+            WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits(),
+            NULL));
   }
 };