[BlobAsync] Disk support for blob storage

content/browser/blob_storage/blob_dispatcher_host.h

Index: content/browser/blob_storage/blob_dispatcher_host.h
diff --git a/content/browser/blob_storage/blob_dispatcher_host.h b/content/browser/blob_storage/blob_dispatcher_host.h
index b004aa2ab30aed8b7e9c8add3a2820337890c936..2ca92382569916f0f0842394d1f54f31f8e95ab3 100644
--- a/content/browser/blob_storage/blob_dispatcher_host.h
+++ b/content/browser/blob_storage/blob_dispatcher_host.h
@@ -17,7 +17,6 @@
 #include "content/common/content_export.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "storage/browser/blob/blob_async_builder_host.h"
-#include "storage/browser/blob/blob_transport_result.h"
 #include "storage/common/blob_storage/blob_storage_constants.h"
 
 class GURL;
@@ -54,14 +53,6 @@ class CONTENT_EXPORT BlobDispatcherHost : public BrowserMessageFilter {
  protected:
   ~BlobDispatcherHost() override;
 
-  // For testing use only.
-  void SetMemoryConstantsForTesting(size_t max_ipc_memory_size,
-                                    size_t max_shared_memory_size,
-                                    uint64_t max_file_size) {
-    async_builder_.SetMemoryConstantsForTesting(
-        max_ipc_memory_size, max_shared_memory_size, max_file_size);
-  }
-
  private:
   friend class base::RefCountedThreadSafe<BlobDispatcherHost>;
   friend class BlobDispatcherHostTest;
@@ -96,18 +87,15 @@ class CONTENT_EXPORT BlobDispatcherHost : public BrowserMessageFilter {
 
   typedef std::map<std::string, int> BlobReferenceMap;
 
-  void OnRegisterBlobUUID(const std::string& uuid,
-                          const std::string& content_type,
-                          const std::string& content_disposition,
-                          const std::set<std::string>& referenced_blob_uuids);
-  void OnStartBuildingBlob(
-      const std::string& uuid,
-      const std::vector<storage::DataElement>& descriptions);
+  void OnRegisterBlob(const std::string& uuid,
+                      const std::string& content_type,
+                      const std::string& content_disposition,
+                      const std::vector<storage::DataElement>& descriptions);
   void OnMemoryItemResponse(
       const std::string& uuid,
       const std::vector<storage::BlobItemBytesResponse>& response);
-  void OnCancelBuildingBlob(const std::string& uuid,
-                            const storage::IPCBlobCreationCancelCode code);
+  void OnCancelBuildingBob(const std::string& uuid,
+                           const storage::BlobStatus code);
 
   void OnIncrementBlobRefCount(const std::string& uuid);
   void OnDecrementBlobRefCount(const std::string& uuid);
@@ -122,9 +110,9 @@ class CONTENT_EXPORT BlobDispatcherHost : public BrowserMessageFilter {
       std::unique_ptr<std::vector<base::SharedMemoryHandle>> memory_handles,
       std::unique_ptr<std::vector<base::File>> files);
 
-  // Send the appropriate IPC response to the renderer for the given result.
-  void SendIPCResponse(const std::string& uuid,
-                       storage::BlobTransportResult result);
+  // We send the status unless it's BlobStatus::PENDING.
+  void MaybeSendFinalBlobStatus(const std::string& uuid,
+                                storage::BlobStatus status);
 
   bool IsInUseInHost(const std::string& uuid);
   bool IsUrlRegisteredInHost(const GURL& blob_url);