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

cc/test/fake_layer_tree_host_client.cc

Index: cc/test/fake_layer_tree_host_client.cc
diff --git a/cc/test/fake_layer_tree_host_client.cc b/cc/test/fake_layer_tree_host_client.cc
index e3e7735194f4ec044e76d2455c47d5df05a25199..253f5fd3771b60dd94809489e3e0a50d19095b11 100644
--- a/cc/test/fake_layer_tree_host_client.cc
+++ b/cc/test/fake_layer_tree_host_client.cc
@@ -4,8 +4,19 @@
 
 #include "cc/test/fake_layer_tree_host_client.h"
 
+#include "cc/context_provider.h"
+#include "cc/test/test_web_graphics_context_3d.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) {
@@ -27,4 +38,16 @@ scoped_ptr<InputHandler> FakeLayerImplTreeHostClient::createInputHandler()
     return scoped_ptr<InputHandler>();
 }
 
+scoped_refptr<cc::ContextProvider> FakeLayerImplTreeHostClient::OffscreenContextProviderForMainThread() {
+    if (!m_mainThreadContexts || m_mainThreadContexts->DestroyedOnMainThread())
+        m_mainThreadContexts = new FakeContextProvider;
+    return m_mainThreadContexts;
+}
+
+scoped_refptr<cc::ContextProvider> FakeLayerImplTreeHostClient::OffscreenContextProviderForCompositorThread() {
+    if (!m_compositorThreadContexts || m_compositorThreadContexts->DestroyedOnMainThread())
+        m_compositorThreadContexts = new FakeContextProvider;
+    return m_compositorThreadContexts;
+}
+
 }  // namespace cc