[Android] Upstream the WebView find-in-page API implementation.

content/public/common/content_switches.h

 // 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.
 
 // Defines all the "content" command-line switches.
 
 #ifndef CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 #define CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 
 #include "build/build_config.h"
@@ skipping 193 matching lines @@
 
 #if defined(OS_ANDROID)
 extern const char kMediaPlayerInRenderProcess[];
 extern const char kDisableMediaHistoryLogging[];
 extern const char kNetworkCountryIso[];
 extern const char kUseMobileUserAgent[];
 extern const char kGraphicsMode[];
 // Not actual flags, just values: for example, --graphics-mode=compositor
 extern const char kGraphicsModeValueBasic[];
 extern const char kGraphicsModeValueCompositor[];
+extern const char kEnableWebViewSynchronousAPIs[];
 #endif
 
 #if defined(OS_POSIX)
 extern const char kChildCleanExit[];
 #endif
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 extern const char kScrollPixels[];
 #endif
 
 #if defined(OS_MACOSX) || defined(OS_WIN)
 extern const char kUseSystemSSL[];
 #endif
 
 extern const char kEnablePerTilePainting[];
 
 #if defined(USE_AURA)
 CONTENT_EXPORT extern const char kFlingTapSuppressMaxDown[];
 CONTENT_EXPORT extern const char kFlingTapSuppressMaxGap[];
 CONTENT_EXPORT extern const char kTestCompositor[];
 #endif
 
 }  // namespace switches
 
 #endif  // CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_