Move web_request_condition* files to extensions/browser/api/declarative_webrequest/

extensions/browser/api/web_request/web_request_api_utils.cc

+// Copyright (c) 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 "extensions/browser/api/web_request/web_request_api_utils.h"
+
+#include <algorithm>
+
+#include "base/macros.h"
+
+namespace extension_web_request_api_utils {
+
+namespace {
+
+static const char* kResourceTypeStrings[] = {
+  "main_frame",
+  "sub_frame",
+  "stylesheet",
+  "script",
+  "image",
+  "object",
+  "xmlhttprequest",
+  "other",
+  "other",
+};
+
+static ResourceType kResourceTypeValues[] = {
+  content::RESOURCE_TYPE_MAIN_FRAME,
+  content::RESOURCE_TYPE_SUB_FRAME,
+  content::RESOURCE_TYPE_STYLESHEET,
+  content::RESOURCE_TYPE_SCRIPT,
+  content::RESOURCE_TYPE_IMAGE,
+  content::RESOURCE_TYPE_OBJECT,
+  content::RESOURCE_TYPE_XHR,
+  content::RESOURCE_TYPE_LAST_TYPE,  // represents "other"
+  // TODO(jochen): We duplicate the last entry, so the array's size is not a
+  // power of two. If it is, this triggers a bug in gcc 4.4 in Release builds
+  // (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43949). Once we use a version
+  // of gcc with this bug fixed, or the array is changed so this duplicate
+  // entry is no longer required, this should be removed.
+  content::RESOURCE_TYPE_LAST_TYPE,
+};
+
+}
+
+#define ARRAYEND(array) (array + arraysize(array))
+
+bool IsRelevantResourceType(ResourceType type) {
+  ResourceType* iter =
+      std::find(kResourceTypeValues, ARRAYEND(kResourceTypeValues), type);
+  return iter != ARRAYEND(kResourceTypeValues);
+}
+
+const char* ResourceTypeToString(ResourceType type) {
+  ResourceType* iter =
+      std::find(kResourceTypeValues, ARRAYEND(kResourceTypeValues), type);
+  if (iter == ARRAYEND(kResourceTypeValues))
+    return "other";
+
+  return kResourceTypeStrings[iter - kResourceTypeValues];
+}
+
+bool ParseResourceType(const std::string& type_str,
+                       ResourceType* type) {
+  const char** iter =
+      std::find(kResourceTypeStrings, ARRAYEND(kResourceTypeStrings), type_str);
+  if (iter == ARRAYEND(kResourceTypeStrings))
+    return false;
+  *type = kResourceTypeValues[iter - kResourceTypeStrings];
+  return true;
+}
+
+}  // namespace extension_web_request_api_utils