Move crypto files out of base, to a top level directory.

chrome/browser/extensions/convert_web_app.cc

Index: chrome/browser/extensions/convert_web_app.cc
===================================================================
--- chrome/browser/extensions/convert_web_app.cc	(revision 81350)
+++ chrome/browser/extensions/convert_web_app.cc	(working copy)
@@ -15,10 +15,10 @@
 #include "base/logging.h"
 #include "base/memory/scoped_temp_dir.h"
 #include "base/path_service.h"
-#include "base/sha2.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
+#include "crypto/sha2.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
@@ -46,12 +46,12 @@
 // auto-updated using ExtensionUpdater. But Chrome does notice updates to the
 // manifest and regenerates these extensions.
 std::string GenerateKey(const GURL& manifest_url) {
-  char raw[base::SHA256_LENGTH] = {0};
+  char raw[crypto::SHA256_LENGTH] = {0};
   std::string key;
-  base::SHA256HashString(manifest_url.spec().c_str(),
-                         raw,
-                         base::SHA256_LENGTH);
-  base::Base64Encode(std::string(raw, base::SHA256_LENGTH), &key);
+  crypto::SHA256HashString(manifest_url.spec().c_str(),
+                           raw,
+                           crypto::SHA256_LENGTH);
+  base::Base64Encode(std::string(raw, crypto::SHA256_LENGTH), &key);
   return key;
 }