Port messages sent by WebIDBDatabaseImpl to Mojo.

content/child/indexed_db/webidbdatabase_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_CHILD_INDEXED_DB_WEBIDBDATABASE_IMPL_H_
 #define CONTENT_CHILD_INDEXED_DB_WEBIDBDATABASE_IMPL_H_
 
 #include <stdint.h>
 
 #include <set>
 
 #include "base/memory/ref_counted.h"
+#include "content/common/content_export.h"
+#include "content/common/indexed_db/indexed_db.mojom.h"
+#include "content/common/indexed_db/indexed_db_constants.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBCursor.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabase.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h"
 
 namespace blink {
 class WebBlobInfo;
 class WebIDBCallbacks;
 class WebIDBDatabaseCallbacks;
 class WebIDBObserver;
 class WebString;
 }
 
 namespace content {
 class ThreadSafeSender;
 
-class WebIDBDatabaseImpl : public blink::WebIDBDatabase {
+class CONTENT_EXPORT WebIDBDatabaseImpl
+    : public NON_EXPORTED_BASE(blink::WebIDBDatabase) {
  public:
-  WebIDBDatabaseImpl(int32_t ipc_database_id,
-                     ThreadSafeSender* thread_safe_sender);
+  WebIDBDatabaseImpl(indexed_db::mojom::DatabaseAssociatedPtrInfo database,
+                     scoped_refptr<base::SingleThreadTaskRunner> io_runner,
+                     scoped_refptr<ThreadSafeSender> thread_safe_sender);
   ~WebIDBDatabaseImpl() override;
 
   // blink::WebIDBDatabase
   void createObjectStore(long long transaction_id,
                          long long objectstore_id,
                          const blink::WebString& name,
                          const blink::WebIDBKeyPath& key_path,
                          bool auto_increment) override;
   void deleteObjectStore(long long transaction_id,
                          long long object_store_id) override;
@@ skipping 75 matching lines @@
   void renameIndex(long long transactionId,
                    long long objectStoreId,
                    long long indexId,
                    const blink::WebString& new_name) override;
   void abort(long long transaction_id) override;
   void commit(long long transaction_id) override;
   void ackReceivedBlobs(
       const blink::WebVector<blink::WebString>& uuids) override;
 
  private:
-  int32_t ipc_database_id_;
+  FRIEND_TEST_ALL_PREFIXES(WebIDBDatabaseImplTest, ValueSizeTest);
+  FRIEND_TEST_ALL_PREFIXES(WebIDBDatabaseImplTest, KeyAndValueSizeTest);
+
+  class IOThreadHelper;
+
+  // Maximum size (in bytes) of value/key pair allowed for put requests. Any
+  // requests larger than this size will be rejected.
+  // Used by unit tests to exercise behavior without allocating huge chunks
+  // of memory.
+  size_t max_put_value_size_ = kMaxIDBMessageSizeInBytes;
+
+  IOThreadHelper* helper_;
   std::set<int32_t> observer_ids_;
+  scoped_refptr<base::SingleThreadTaskRunner> io_runner_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_INDEXED_DB_WEBIDBDATABASE_IMPL_H_