[BlobAsync] Patch 2: Common Constants

storage/common/blob_storage/blob_item_bytes_request.cc

+// Copyright 2015 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.
+
+#include "storage/common/blob_storage/blob_item_bytes_request.h"
+
+namespace storage {
+
+BlobItemBytesRequest BlobItemBytesRequest::CreateIPCRequest(
+    size_t request_number,
+    size_t renderer_item_index,
+    size_t renderer_item_offset,
+    size_t size) {
+  return BlobItemBytesRequest(request_number, IPCBlobItemRequestStrategy::IPC,
+                              renderer_item_index, renderer_item_offset, size,
+                              kInvalidIndex, kInvalidSize);
+}
+BlobItemBytesRequest BlobItemBytesRequest::CreateSharedMemoryRequest(
+    size_t request_number,
+    size_t renderer_item_index,
+    size_t renderer_item_offset,
+    size_t size,
+    size_t handle_index,
+    uint64_t handle_offset) {
+  return BlobItemBytesRequest(request_number,
+                              IPCBlobItemRequestStrategy::SHARED_MEMORY,
+                              renderer_item_index, renderer_item_offset, size,
+                              handle_index, handle_offset);
+}
+
+BlobItemBytesRequest BlobItemBytesRequest::CreateFileRequest(
+    size_t request_number,
+    size_t renderer_item_index,
+    uint64_t renderer_item_offset,
+    uint64_t size,
+    size_t handle_index,
+    uint64_t handle_offset) {
+  return BlobItemBytesRequest(request_number, IPCBlobItemRequestStrategy::FILE,
+                              renderer_item_index, renderer_item_offset, size,
+                              handle_index, handle_offset);
+}
+
+BlobItemBytesRequest::BlobItemBytesRequest()
+    : request_number(kInvalidIndex),
+      transport_strategy(IPCBlobItemRequestStrategy::UNKNOWN),
+      renderer_item_index(kInvalidIndex),
+      renderer_item_offset(kInvalidSize),
+      size(kInvalidSize),
+      handle_index(kInvalidIndex),
+      handle_offset(kInvalidSize) {}
+
+BlobItemBytesRequest::BlobItemBytesRequest(
+    size_t request_number,
+    IPCBlobItemRequestStrategy transport_strategy,
+    size_t renderer_item_index,
+    uint64_t renderer_item_offset,
+    uint64_t size,
+    size_t handle_index,
+    uint64_t handle_offset)
+    : request_number(request_number),
+      transport_strategy(transport_strategy),
+      renderer_item_index(renderer_item_index),
+      renderer_item_offset(renderer_item_offset),
+      size(size),
+      handle_index(handle_index),
+      handle_offset(handle_offset) {}
+
+BlobItemBytesRequest::~BlobItemBytesRequest() {}
+
+void PrintTo(const BlobItemBytesRequest& request, std::ostream* os) {
+  *os << "{request_number: " << request.request_number
+      << ", transport_strategy: "
+      << static_cast<int>(request.transport_strategy)
+      << ", renderer_item_index: " << request.renderer_item_index
+      << ", renderer_item_offset: " << request.renderer_item_offset
+      << ", size: " << request.size
+      << ", handle_index: " << request.handle_index
+      << ", handle_offset: " << request.handle_offset << "}";
+}
+
+}  // namespace storage