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

cc/raster/staging_buffer_pool.cc

Index: cc/raster/staging_buffer_pool.cc
diff --git a/cc/raster/staging_buffer_pool.cc b/cc/raster/staging_buffer_pool.cc
index ade400d9906ad3c07a5b92280775f3c91644e6ab..f87aec445d7ec8d83f7d62121f3f91bdd5420fa9 100644
--- a/cc/raster/staging_buffer_pool.cc
+++ b/cc/raster/staging_buffer_pool.cc
@@ -409,4 +409,14 @@ void StagingBufferPool::ReleaseBuffersNotUsedSince(base::TimeTicks time) {
   }
 }
 
+void StagingBufferPool::OnMemoryStateChange(
+    memory_coordinator::mojom::MemoryState state) {
+  if (state == memory_coordinator::mojom::MemoryState::SUSPENDED) {
+    base::AutoLock lock(lock_);
+    if (buffers_.empty())
+      return;
+    ReleaseBuffersNotUsedSince(base::TimeTicks() + base::TimeDelta::Max());
+  }
+}
+
 }  // namespace cc