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

net/disk_cache/entry_impl.cc

Index: net/disk_cache/entry_impl.cc
diff --git a/net/disk_cache/entry_impl.cc b/net/disk_cache/entry_impl.cc
index 361a7eea0127759b6d010f389e44f0b7ea17a39a..446138e113a1de501775dee67580b1a1b29ba1ec 100644
--- a/net/disk_cache/entry_impl.cc
+++ b/net/disk_cache/entry_impl.cc
@@ -379,11 +379,11 @@ base::PlatformFile EntryImpl::GetPlatformFile(int 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() {