Move DOMActivityLogger and associated code from //chrome to //extensions

chrome/common/extensions/ad_injection_constants.h

-// 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.
-
-#ifndef CHROME_COMMON_EXTENSIONS_AD_INJECTION_CONSTANTS_H_
-#define CHROME_COMMON_EXTENSIONS_AD_INJECTION_CONSTANTS_H_
-
-#include "base/basictypes.h"
-
-namespace extensions {
-namespace ad_injection_constants {
-
-// The keys used when serializing arguments to activity action APIs.
-namespace keys {
-
-extern const char kType[];
-extern const char kChildren[];
-extern const char kSrc[];
-extern const char kHref[];
-
-}  // namespace keys
-
-extern const char kHtmlIframeSrcApiName[];
-extern const char kHtmlEmbedSrcApiName[];
-extern const char kAppendChildApiSuffix[];
-
-extern const size_t kMaximumChildrenToCheck;
-extern const size_t kMaximumDepthToCheck;
-
-// Returns true if the given |api| can potentially inject ads, and should
-// therefore be examined.
-bool ApiCanInjectAds(const char* api);
-
-}  // namespace ad_injection_constants
-}  // namespace extensions
-
-#endif  // CHROME_COMMON_EXTENSIONS_AD_INJECTION_CONSTANTS_H_