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

base/sha1_win.cc

Index: base/sha1_win.cc
===================================================================
--- base/sha1_win.cc	(revision 102606)
+++ base/sha1_win.cc	(working copy)
@@ -19,20 +19,20 @@
   if (!CryptAcquireContext(provider.receive(), NULL, NULL, PROV_RSA_FULL,
                            CRYPT_VERIFYCONTEXT)) {
     LOG(ERROR) << "CryptAcquireContext failed: " << GetLastError();
-    return std::string(SHA1_LENGTH, '\0');
+    return std::string(kSHA1Length, '\0');
   }
 
   {
     ScopedHCRYPTHASH hash;
     if (!CryptCreateHash(provider, CALG_SHA1, 0, 0, hash.receive())) {
       LOG(ERROR) << "CryptCreateHash failed: " << GetLastError();
-      return std::string(SHA1_LENGTH, '\0');
+      return std::string(kSHA1Length, '\0');
     }
 
     if (!CryptHashData(hash, reinterpret_cast<CONST BYTE*>(str.data()),
                        static_cast<DWORD>(str.length()), 0)) {
       LOG(ERROR) << "CryptHashData failed: " << GetLastError();
-      return std::string(SHA1_LENGTH, '\0');
+      return std::string(kSHA1Length, '\0');
     }
 
     DWORD hash_len = 0;
@@ -41,7 +41,7 @@
                            reinterpret_cast<unsigned char*>(&hash_len),
                            &buffer_size, 0)) {
       LOG(ERROR) << "CryptGetHashParam(HP_HASHSIZE) failed: " << GetLastError();
-      return std::string(SHA1_LENGTH, '\0');
+      return std::string(kSHA1Length, '\0');
     }
 
     std::string result;
@@ -51,13 +51,13 @@
         reinterpret_cast<BYTE*>(WriteInto(&result, hash_len + 1)), &hash_len,
         0))) {
       LOG(ERROR) << "CryptGetHashParam(HP_HASHVAL) failed: " << GetLastError();
-      return std::string(SHA1_LENGTH, '\0');
+      return std::string(kSHA1Length, '\0');
     }
 
-    if (hash_len != SHA1_LENGTH) {
+    if (hash_len != kSHA1Length) {
       LOG(ERROR) << "Returned hash value is wrong length: " << hash_len
-                 << " should be " << SHA1_LENGTH;
-      return std::string(SHA1_LENGTH, '\0');
+                 << " should be " << kSHA1Length;
+      return std::string(kSHA1Length, '\0');
     }
 
     return result;