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 98%
rename from net/disk_cache/v3/eviction_v3.cc
rename to net/disk_cache/blockfile/eviction_v3.cc
index 5d9e39209866acc0458950b6beab15ab50ce602c..d130be4bfad1f63b15caa65af3687ed3c12e2ecc 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"
@@ -34,13 +34,13 @@
 #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/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/trace.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::TimeTicks;