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

cc/tiles/software_image_decode_controller.h

Index: cc/tiles/software_image_decode_controller.h
diff --git a/cc/tiles/software_image_decode_controller.h b/cc/tiles/software_image_decode_controller.h
index 700913e9240c21452a957132837728d714e2adbe..d34fd1a52280b216029372b408d257e181f28c53 100644
--- a/cc/tiles/software_image_decode_controller.h
+++ b/cc/tiles/software_image_decode_controller.h
@@ -15,6 +15,7 @@
 #include "base/containers/mru_cache.h"
 #include "base/hash.h"
 #include "base/memory/discardable_memory_allocator.h"
+#include "base/memory/memory_coordinator_client.h"
 #include "base/memory/ref_counted.h"
 #include "base/numerics/safe_math.h"
 #include "base/threading/thread_checker.h"
@@ -102,7 +103,8 @@ struct ImageDecodeControllerKeyHash {
 
 class CC_EXPORT SoftwareImageDecodeController
     : public ImageDecodeController,
-      public base::trace_event::MemoryDumpProvider {
+      public base::trace_event::MemoryDumpProvider,
+      public base::MemoryCoordinatorClient {
  public:
   using ImageKey = ImageDecodeControllerKey;
   using ImageKeyHash = ImageDecodeControllerKeyHash;
@@ -264,6 +266,9 @@ class CC_EXPORT SoftwareImageDecodeController
                                const char* cache_name,
                                base::trace_event::ProcessMemoryDump* pmd) const;
 
+  // Overriden from base::MemoryCoordinatorClient.
+  void OnMemoryStateChange(base::MemoryState state) override;
+
   std::unordered_map<ImageKey, scoped_refptr<TileTask>, ImageKeyHash>
       pending_image_tasks_;