WebRequest API cleanup

extensions/browser/api/web_request/web_request_api_helpers.cc

 // Copyright (c) 2012 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 "extensions/browser/api/web_request/web_request_api_helpers.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 119 matching lines @@
 }
 
 bool NullableEquals(const std::string* a, const std::string* b) {
   if ((a && !b) || (!a && b))
     return false;
   return (!a) || (*a == *b);
 }
 
 }  // namespace
 
+bool ExtraInfoSpec::InitFromValue(const base::ListValue& value,
+                                  int* extra_info_spec) {
+  *extra_info_spec = 0;
+  for (size_t i = 0; i < value.GetSize(); ++i) {
+    std::string str;
+    if (!value.GetString(i, &str))
+      return false;
+
+    if (str == "requestHeaders")
+      *extra_info_spec |= REQUEST_HEADERS;
+    else if (str == "responseHeaders")
+      *extra_info_spec |= RESPONSE_HEADERS;
+    else if (str == "blocking")
+      *extra_info_spec |= BLOCKING;
+    else if (str == "asyncBlocking")
+      *extra_info_spec |= ASYNC_BLOCKING;
+    else if (str == "requestBody")
+      *extra_info_spec |= REQUEST_BODY;
+    else
+      return false;
+  }
+  // BLOCKING and ASYNC_BLOCKING are mutually exclusive.
+  if ((*extra_info_spec & BLOCKING) && (*extra_info_spec & ASYNC_BLOCKING))
+    return false;
+  return true;
+}
+
 RequestCookie::RequestCookie() {}
 RequestCookie::~RequestCookie() {}
 
 bool NullableEquals(const RequestCookie* a, const RequestCookie* b) {
   if ((a && !b) || (!a && b))
     return false;
   if (!a)
     return true;
   return NullableEquals(a->name.get(), b->name.get()) &&
          NullableEquals(a->value.get(), b->value.get());
@@ skipping 1136 matching lines @@
       std::find(kResourceTypeStrings,
                 kResourceTypeStrings + kResourceTypeStringsLength,
                 type_str);
   if (iter == (kResourceTypeStrings + kResourceTypeStringsLength))
     return false;
   *type = kResourceTypeValues[iter - kResourceTypeStrings];
   return true;
 }
 
 }  // namespace extension_web_request_api_helpers