IPC messages and changes to ResourceLoaderBridge to support resource loading for media

net/disk_cache/entry_impl.cc

 // Copyright (c) 2006-2008 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 "net/disk_cache/entry_impl.h"
 
 #include "base/histogram.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "net/base/io_buffer.h"
@@ skipping 361 matching lines @@
   return GetPlatformFile(index);
 }
 
 base::PlatformFile EntryImpl::GetPlatformFile(int index) {
   DCHECK(index >= 0 && index < NUM_STREAMS);
 
   Addr address(entry_.Data()->data_addr[index]);
   if (!address.is_initialized() || !address.is_separate_file())
     return base::kInvalidPlatformFileValue;
 
-  File* cache_file = GetExternalFile(address, index);
-  if (!cache_file)
-    return base::kInvalidPlatformFileValue;
-
-  return cache_file->platform_file();
+  return base::CreatePlatformFile(backend_->GetFileName(address),
+                                  base::PLATFORM_FILE_OPEN |
+                                      base::PLATFORM_FILE_READ |
+                                      base::PLATFORM_FILE_ASYNC,
+                                  NULL);
 }
 
 uint32 EntryImpl::GetHash() {
   return entry_.Data()->hash;
 }
 
 bool EntryImpl::CreateEntry(Addr node_address, const std::string& key,
                             uint32 hash) {
   Trace("Create entry In");
   EntryStore* entry_store = entry_.Data();
@@ skipping 445 matching lines @@
   Trace("%s 0x%p 0x%x 0x%x", msg, reinterpret_cast<void*>(this),
         entry_.address().value(), node_.address().value());
 
   Trace("  data: 0x%x 0x%x 0x%x", entry_.Data()->data_addr[0],
         entry_.Data()->data_addr[1], entry_.Data()->long_key);
 
   Trace("  doomed: %d 0x%p 0x%x", doomed_, pointer, dirty);
 }
 
 }  // namespace disk_cache