Update SHA1_LENGTH -> kSHA1Length to match previous change to SHA256_LENGTH.

chrome/app/client_util.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <windows.h>
 #include <shlwapi.h>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/environment.h"
@@ skipping 127 matching lines @@
     return false;
 
   // Get the MetricsId of the installation. This is only set if the user has
   // opted in to reporting. Doing things this way ensures that we only enable
   // the experiment if its results are actually going to be reported.
   std::wstring metrics_id;
   if (!GoogleUpdateSettings::GetMetricsId(&metrics_id) || metrics_id.empty())
     return false;
 
   // We use the same technique as FieldTrial::HashClientId.
-  unsigned char sha1_hash[base::SHA1_LENGTH];
+  unsigned char sha1_hash[base::kSHA1Length];
   base::SHA1HashBytes(
       reinterpret_cast<const unsigned char*>(metrics_id.c_str()),
       metrics_id.size() * sizeof(metrics_id[0]),
       sha1_hash);
   COMPILE_ASSERT(sizeof(uint64) < sizeof(sha1_hash), need_more_data);
   uint64* bits = reinterpret_cast<uint64*>(&sha1_hash[0]);
   double rand_unit = base::BitsToOpenEndedUnitInterval(*bits);
   DWORD coin_toss = rand_unit > 0.5 ? 1 : 0;
 
   *pre_read = coin_toss;
@@ skipping 237 matching lines @@
   }
 };
 
 MainDllLoader* MakeMainDllLoader() {
 #if defined(GOOGLE_CHROME_BUILD)
   return new ChromeDllLoader();
 #else
   return new ChromiumDllLoader();
 #endif
 }