Make cc::SoftwareImageDecodeController, cc::ResourcePool, and cc::StagingBufferPoo…

cc/tiles/gpu_image_decode_controller.h

Index: cc/tiles/gpu_image_decode_controller.h
diff --git a/cc/tiles/gpu_image_decode_controller.h b/cc/tiles/gpu_image_decode_controller.h
index 345de1143573507e09cb430a4a89f854a039099c..bb24d76db3854187c90989ec23534d2ed38f6f3d 100644
--- a/cc/tiles/gpu_image_decode_controller.h
+++ b/cc/tiles/gpu_image_decode_controller.h
@@ -11,6 +11,7 @@
 
 #include "base/containers/mru_cache.h"
 #include "base/memory/discardable_memory.h"
+#include "base/memory/memory_coordinator_client.h"
 #include "base/synchronization/lock.h"
 #include "base/trace_event/memory_dump_provider.h"
 #include "cc/base/cc_export.h"
@@ -97,7 +98,8 @@ class ContextProvider;
 //
 class CC_EXPORT GpuImageDecodeController
     : public ImageDecodeController,
-      public base::trace_event::MemoryDumpProvider {
+      public base::trace_event::MemoryDumpProvider,
+      public base::MemoryCoordinatorClient {
  public:
   explicit GpuImageDecodeController(ContextProvider* context,
                                     ResourceFormat decode_format,
@@ -301,6 +303,9 @@ class CC_EXPORT GpuImageDecodeController
                               ImageData* image_data);
   void DeletePendingImages();
 
+  // Overriden from base::MemoryCoordinatorClient.
+  void OnMemoryStateChange(base::MemoryState state) override;
+
   const ResourceFormat format_;
   ContextProvider* context_;
   sk_sp<GrContextThreadSafeProxy> context_threadsafe_proxy_;