Rename content/{common,browser}/file_system to fileapi and move blob stuff into it.

content/common/webblobregistry_impl.cc

-// Copyright (c) 2011 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 "content/common/webblobregistry_impl.h"
-
-#include "base/memory/ref_counted.h"
-#include "base/shared_memory.h"
-#include "content/common/child_thread.h"
-#include "content/common/webblob_messages.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebBlobData.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
-#include "webkit/blob/blob_data.h"
-#include "webkit/glue/webkit_glue.h"
-
-using WebKit::WebBlobData;
-using WebKit::WebString;
-using WebKit::WebURL;
-
-WebBlobRegistryImpl::WebBlobRegistryImpl(ChildThread* child_thread)
-    : child_thread_(child_thread) {
-}
-
-WebBlobRegistryImpl::~WebBlobRegistryImpl() {
-}
-
-void WebBlobRegistryImpl::registerBlobURL(
-    const WebURL& url, WebBlobData& data) {
-  const size_t kLargeThresholdBytes = 250 * 1024;
-  const size_t kMaxSharedMemoryBytes = 10 * 1024 * 1024;
-
-  child_thread_->Send(new BlobHostMsg_StartBuildingBlob(url));
-  size_t i = 0;
-  WebBlobData::Item data_item;
-  while (data.itemAt(i++, data_item)) {
-    webkit_blob::BlobData::Item item;
-    switch (data_item.type) {
-      case WebBlobData::Item::TypeData: {
-        // WebBlobData does not allow partial data items.
-        DCHECK(!data_item.offset && data_item.length == -1);
-        if (data_item.data.size() < kLargeThresholdBytes) {
-          item.SetToData(data_item.data.data(), data_item.data.size());
-          child_thread_->Send(new BlobHostMsg_AppendBlobDataItem(url, item));
-        } else {
-          // We handle larger amounts of data via SharedMemory instead of
-          // writing it directly to the IPC channel.
-          size_t data_size = data_item.data.size();
-          const char* data_ptr = data_item.data.data();
-          size_t shared_memory_size = std::min(
-              data_size, kMaxSharedMemoryBytes);
-          scoped_ptr<base::SharedMemory> shared_memory(
-              child_thread_->AllocateSharedMemory(shared_memory_size));
-          CHECK(shared_memory.get());
-          while (data_size) {
-            size_t chunk_size = std::min(data_size, shared_memory_size);
-            memcpy(shared_memory->memory(), data_ptr, chunk_size);
-            child_thread_->Send(new BlobHostMsg_SyncAppendSharedMemory(
-                url, shared_memory->handle(), chunk_size));
-            data_size -= chunk_size;
-            data_ptr += chunk_size;
-          }
-        }
-        break;
-      }
-      case WebBlobData::Item::TypeFile:
-        item.SetToFile(
-            webkit_glue::WebStringToFilePath(data_item.filePath),
-            static_cast<uint64>(data_item.offset),
-            static_cast<uint64>(data_item.length),
-            base::Time::FromDoubleT(data_item.expectedModificationTime));
-        child_thread_->Send(new BlobHostMsg_AppendBlobDataItem(url, item));
-        break;
-      case WebBlobData::Item::TypeBlob:
-        if (data_item.length) {
-          item.SetToBlob(
-              data_item.blobURL,
-              static_cast<uint64>(data_item.offset),
-              static_cast<uint64>(data_item.length));
-        }
-        child_thread_->Send(new BlobHostMsg_AppendBlobDataItem(url, item));
-        break;
-      default:
-        NOTREACHED();
-    }
-  }
-  child_thread_->Send(new BlobHostMsg_FinishBuildingBlob(
-      url, data.contentType().utf8().data()));
-}
-
-void WebBlobRegistryImpl::registerBlobURL(
-    const WebURL& url, const WebURL& src_url) {
-  child_thread_->Send(new BlobHostMsg_CloneBlob(url, src_url));
-}
-
-void WebBlobRegistryImpl::unregisterBlobURL(const WebURL& url) {
-  child_thread_->Send(new BlobHostMsg_RemoveBlob(url));
-}