Reorganize net/disk_cache into backend specific directories.

net/disk_cache/blockfile/eviction_v3.cc

Index: net/disk_cache/blockfile/eviction_v3.cc
diff --git a/net/disk_cache/v3/eviction_v3.cc b/net/disk_cache/blockfile/eviction_v3.cc
similarity index 97%
rename from net/disk_cache/v3/eviction_v3.cc
rename to net/disk_cache/blockfile/eviction_v3.cc
index fc0d37a09ab74e4e7d21c674e1a71ef45f3252f8..9d404a9172a071033dd82c31ee5cf6f46a22d18e 100644
--- a/net/disk_cache/v3/eviction_v3.cc
+++ b/net/disk_cache/blockfile/eviction_v3.cc
@@ -26,7 +26,7 @@
 // size so that we have a chance to see an element again and move it to another
 // list.
 
-#include "net/disk_cache/v3/eviction_v3.h"
+#include "net/disk_cache/blockfile/eviction_v3.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ -34,14 +34,12 @@
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
 #include "base/time/time.h"
-#include "net/disk_cache/experiments.h"
-#include "net/disk_cache/trace.h"
-#include "net/disk_cache/v3/backend_impl_v3.h"
-#include "net/disk_cache/v3/entry_impl_v3.h"
-#include "net/disk_cache/v3/histogram_macros.h"
-
-// Define CACHE_UMA_BACKEND_IMPL_OBJ to be a disk_cache::BackendImpl* in order
-// to use the CACHE_UMA histogram macro.
+#include "net/disk_cache/blockfile/backend_impl_v3.h"
+#include "net/disk_cache/blockfile/entry_impl_v3.h"
+#include "net/disk_cache/blockfile/experiments.h"
+#include "net/disk_cache/blockfile/histogram_macros_v3.h"
+#include "net/disk_cache/blockfile/trace.h"
+
 #define CACHE_UMA_BACKEND_IMPL_OBJ backend_
 
 using base::Time;