aura: use TestWebGraphicsContext3D for the shared contexts

content/common/webkitplatformsupport_impl.cc

 // 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 "base/command_line.h"
 #include "content/common/child_thread.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/socket_stream_dispatcher.h"
 #include "content/common/webkitplatformsupport_impl.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "webkit/gpu/webgraphicscontext3d_in_process_impl.h"
 
 namespace content {
 
+namespace {
+WebKitPlatformSupportImpl::OffscreenContextFactory* g_context_factory = NULL;
+}
+
 WebKitPlatformSupportImpl::WebKitPlatformSupportImpl() {
 }
 
 WebKitPlatformSupportImpl::~WebKitPlatformSupportImpl() {
 }
 
 string16 WebKitPlatformSupportImpl::GetLocalizedString(int message_id) {
   return content::GetContentClient()->GetLocalizedString(message_id);
 }
 
@@ skipping 22 matching lines @@
     WebKit::WebSocketStreamHandle* handle,
     webkit_glue::WebSocketStreamHandleDelegate* delegate) {
   SocketStreamDispatcher* dispatcher =
       ChildThread::current()->socket_stream_dispatcher();
   return dispatcher->CreateBridge(handle, delegate);
 }
 
 WebKit::WebGraphicsContext3D*
 WebKitPlatformSupportImpl::createOffscreenGraphicsContext3D(
     const WebGraphicsContext3D::Attributes& attributes) {
+  if (g_context_factory)
+    return g_context_factory();
   // The WebGraphicsContext3DInProcessImpl code path is used for
   // layout tests (though not through this code) as well as for
   // debugging and bringing up new ports.
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kInProcessWebGL)) {
     return webkit::gpu::WebGraphicsContext3DInProcessImpl::CreateForWebView(
             attributes, false);
   } else {
     // Intentionally blank URL provided for offscreen contexts -- blank URLs are
     // ignored in the GPU process for crash reporting.
     return WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext(
         GetGpuChannelHostFactory(), attributes, GURL());
   }
 }
 
+// static
+void WebKitPlatformSupportImpl::SetOffscreenContextFactoryForTest(
+      OffscreenContextFactory factory) {
+  g_context_factory = factory;
+}
+
 GpuChannelHostFactory* WebKitPlatformSupportImpl::GetGpuChannelHostFactory() {
   NOTREACHED();
   return NULL;
 }
 
 }  // namespace content