OOPIF support for layout test pixel dumps.

content/renderer/layout_test_dependencies.h

Index: content/renderer/layout_test_dependencies.h
diff --git a/content/renderer/layout_test_dependencies.h b/content/renderer/layout_test_dependencies.h
index df8feefe2447de3cdebfd1b674d6e18d992c8b25..030a713a291e0538a7072a6a60939893feb7bbb6 100644
--- a/content/renderer/layout_test_dependencies.h
+++ b/content/renderer/layout_test_dependencies.h
@@ -11,33 +11,21 @@
 #include "base/memory/ref_counted.h"
 
 namespace cc {
-class ContextProvider;
 class CopyOutputRequest;
-class LayerTreeFrameSink;
 class SwapPromise;
 }
 
-namespace gpu {
-class GpuChannelHost;
-class GpuMemoryBufferManager;
-}
-
 namespace content {
-class CompositorDependencies;
 
 // This class allows injection of LayoutTest-specific behaviour to the
 // RenderThreadImpl.
 class LayoutTestDependencies {
  public:
-  virtual std::unique_ptr<cc::LayerTreeFrameSink> CreateLayerTreeFrameSink(
-      int32_t routing_id,
-      scoped_refptr<gpu::GpuChannelHost> gpu_channel,
-      scoped_refptr<cc::ContextProvider> compositor_context_provider,
-      scoped_refptr<cc::ContextProvider> worker_context_provider,
-      gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
-      CompositorDependencies* deps) = 0;
-
   // Returns a SwapPromise which should be queued for the next compositor frame.
+  // DO NOT SUBMIT: This method (and the whole class) should be removed.  We
+  // should wait for SubmitCompositorFrame in the browser process (e.g.  see the
+  // comment from kenrb@ in SurfaceHitTestReadyNotifier::WaitForSurfaceReady)
+  // rather than waiting in the renderer.
   virtual std::unique_ptr<cc::SwapPromise> RequestCopyOfOutput(
       int32_t routing_id,
       std::unique_ptr<cc::CopyOutputRequest> request) = 0;