cc: Route offscreen context creation for compositor to the browser.

cc/test/fake_layer_tree_host_client.cc

 // Copyright 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 "cc/test/fake_layer_tree_host_client.h"
 
 namespace cc {
 
+FakeLayerImplTreeHostClient::FakeLayerImplTreeHostClient(bool useSoftwareRendering, bool useDelegatingRenderer)
+    : m_useSoftwareRendering(useSoftwareRendering)
+    , m_useDelegatingRenderer(useDelegatingRenderer)
+{
+}
+
+FakeLayerImplTreeHostClient::~FakeLayerImplTreeHostClient() { }
+
 scoped_ptr<OutputSurface> FakeLayerImplTreeHostClient::createOutputSurface()
 {
     if (m_useSoftwareRendering) {
         if (m_useDelegatingRenderer)
             return FakeOutputSurface::CreateDelegatingSoftware(make_scoped_ptr(new FakeSoftwareOutputDevice).PassAs<SoftwareOutputDevice>()).PassAs<OutputSurface>();
 
         return FakeOutputSurface::CreateSoftware(make_scoped_ptr(new FakeSoftwareOutputDevice).PassAs<SoftwareOutputDevice>()).PassAs<OutputSurface>();
     }
 
     WebKit::WebGraphicsContext3D::Attributes attrs;
     if (m_useDelegatingRenderer)
         return FakeOutputSurface::CreateDelegating3d(FakeWebGraphicsContext3D::Create(attrs).PassAs<WebKit::WebGraphicsContext3D>()).PassAs<OutputSurface>();
 
     return FakeOutputSurface::Create3d(FakeWebGraphicsContext3D::Create(attrs).PassAs<WebKit::WebGraphicsContext3D>()).PassAs<OutputSurface>();
 }
 
+WebKit::WebGraphicsContext3D* FakeLayerImplTreeHostClient::OffscreenContext3dForMainThread()
+{
+    return OffscreenContext3dForCompositorThread();
+}
+
+WebKit::WebGraphicsContext3D* FakeLayerImplTreeHostClient::OffscreenContext3dForCompositorThread()
+{
+    if (m_offscreenContext3d)
+        return m_offscreenContext3d.get();
+
+    WebKit::WebGraphicsContext3D::Attributes attrs;
+    m_offscreenContext3d = FakeWebGraphicsContext3D::Create(attrs).PassAs<WebKit::WebGraphicsContext3D>();
+    return m_offscreenContext3d.get();
+}
+
 scoped_ptr<InputHandler> FakeLayerImplTreeHostClient::createInputHandler()
 {
     return scoped_ptr<InputHandler>();
 }
 
 scoped_ptr<FontAtlas> FakeLayerImplTreeHostClient::createFontAtlas()
 {
     return scoped_ptr<FontAtlas>();
 }
 
 }  // namespace cc