Cleanup a few loops into the new C++11 for-each style.

Source/core/frame/SubresourceIntegrity.cpp

 // Copyright 2014 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 "config.h"
 #include "core/frame/SubresourceIntegrity.h"
 
 #include "core/HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
@@ skipping 45 matching lines @@
 {
     static const struct {
         HashAlgorithm algorithm;
         const char* name;
     } kAlgorithmToString[] = {
         {  HashAlgorithmSha256, "SHA-256" },
         {  HashAlgorithmSha384, "SHA-384" },
         {  HashAlgorithmSha512, "SHA-512" }
     };
 
-    // See comment in parseIntegrityAttribute about why sizeof() is used
-    // instead of WTF_ARRAY_LENGTH.
-    size_t i = 0;
-    size_t kSupportedAlgorithmsLength = sizeof(kAlgorithmToString) / sizeof(kAlgorithmToString[0]);
-    for (; i < kSupportedAlgorithmsLength; i++) {
-        if (kAlgorithmToString[i].algorithm == algorithm)
-            return kAlgorithmToString[i].name;
+    for (const auto& algorithmToString : kAlgorithmToString) {
+        if (algorithmToString.algorithm == algorithm)
+            return algorithmToString.name;
     }
 
     ASSERT_NOT_REACHED();
     return String();
 }
 
 static String digestToString(const DigestValue& digest)
 {
     return base64Encode(reinterpret_cast<const char*>(digest.data()), digest.size(), Base64DoNotInsertLFs);
 }
@@ skipping 153 matching lines @@
         logErrorToConsole("Error parsing 'integrity' attribute ('" + attribute + "'). The digest must be a valid, base64-encoded value.", document);
         return false;
     }
 
     // FIXME: Parse params in order to get content type (e.g. "?ct=application/javascript")
 
     return true;
 }
 
 } // namespace blink