Implement OnMemoryStateChange for Various CC Classes

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 5a202ee700a5d8815d3537944f652e4a553e2fee..e8d823d3e02dea286178fbfa501021a2806904cc 100644
--- a/cc/tiles/gpu_image_decode_controller.h
+++ b/cc/tiles/gpu_image_decode_controller.h
@@ -320,10 +320,10 @@ class CC_EXPORT GpuImageDecodeController
   using InUseCache = std::unordered_map<InUseCacheKey, InUseCacheEntry>;
   InUseCache in_use_cache_;
 
-  size_t cached_items_limit_;
-  size_t cached_bytes_limit_;
-  size_t bytes_used_;
   const size_t max_gpu_image_bytes_;
+  size_t cached_bytes_limit_ = max_gpu_image_bytes_;
+  size_t bytes_used_ = 0;
+  base::MemoryState memory_state_ = base::MemoryState::NORMAL;
 
   // We can't release GPU backed SkImages without holding the context lock,
   // so we add them to this list and defer deletion until the next time the lock