Move GpuMemoryBufferManager and SharedBitmapManager to CompositorFrameSink

content/test/fake_compositor_dependencies.cc

Index: content/test/fake_compositor_dependencies.cc
diff --git a/content/test/fake_compositor_dependencies.cc b/content/test/fake_compositor_dependencies.cc
index 991123c2be68db220907a3dda4eefc2df5fe7171..a59e615a14d3663101e84f6ad368640cec90da40 100644
--- a/content/test/fake_compositor_dependencies.cc
+++ b/content/test/fake_compositor_dependencies.cc
@@ -75,15 +75,6 @@ FakeCompositorDependencies::GetCompositorImplThreadTaskRunner() {
   return nullptr;  // Currently never threaded compositing in unit tests.
 }
 
-cc::SharedBitmapManager* FakeCompositorDependencies::GetSharedBitmapManager() {
-  return &shared_bitmap_manager_;
-}
-
-gpu::GpuMemoryBufferManager*
-FakeCompositorDependencies::GetGpuMemoryBufferManager() {
-  return &gpu_memory_buffer_manager_;
-}
-
 blink::scheduler::RendererScheduler*
 FakeCompositorDependencies::GetRendererScheduler() {
   return &renderer_scheduler_;