Reorganize net/disk_cache into backend specific directories.

net/disk_cache/blockfile/entry_impl_v3.cc

Index: net/disk_cache/blockfile/entry_impl_v3.cc
diff --git a/net/disk_cache/v3/entry_impl_v3.cc b/net/disk_cache/blockfile/entry_impl_v3.cc
similarity index 99%
rename from net/disk_cache/v3/entry_impl_v3.cc
rename to net/disk_cache/blockfile/entry_impl_v3.cc
index d4eb621e771edf579dd364869f24c9981a33ad5c..c95e7060d27de5501a3c9c2ea357ad4649c55ade 100644
--- a/net/disk_cache/v3/entry_impl_v3.cc
+++ b/net/disk_cache/blockfile/entry_impl_v3.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/disk_cache/v3/entry_impl_v3.h"
+#include "net/disk_cache/blockfile/entry_impl_v3.h"
 
 #include "base/hash.h"
 #include "base/message_loop/message_loop.h"
@@ -10,15 +10,15 @@
 #include "base/strings/string_util.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
-#include "net/disk_cache/bitmap.h"
+#include "net/disk_cache/blockfile/backend_impl_v3.h"
+#include "net/disk_cache/blockfile/bitmap.h"
+#include "net/disk_cache/blockfile/disk_format_v3.h"
 #include "net/disk_cache/cache_util.h"
 #include "net/disk_cache/net_log_parameters.h"
-#include "net/disk_cache/v3/backend_impl_v3.h"
-#include "net/disk_cache/v3/disk_format_v3.h"
-// #include "net/disk_cache/v3/sparse_control_v3.h"
+// #include "net/disk_cache/blockfile/sparse_control_v3.h"
 
 #define CACHE_HISTOGRAM_MACROS_BACKEND_IMPL_OBJ backend_
-#include "net/disk_cache/v3/histogram_macros.h"
+#include "net/disk_cache/blockfile/histogram_macros_v3.h"
 
 using base::Time;
 using base::TimeDelta;