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

content/public/common/content_switches.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 "content/public/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 639 matching lines @@
 const char kUseMobileUserAgent[] = "use-mobile-user-agent";
 // Omnibus flag setting an Android graphics mode.  May be:
 //   "basic" (untiled software path)
 //   "compositor" (hardware-accelerated compositing),
 const char kGraphicsMode[]                  = "graphics-mode";
 const char kGraphicsModeValueBasic[]        = "basic";
 const char kGraphicsModeValueCompositor[]   = "compositor";
 
 // The telephony region (ISO country code) to use in phone number detection.
 const char kNetworkCountryIso[] = "network-country-iso";
+
+// Set to enable compatibility with legacy WebView synchronous APIs.
+const char kEnableWebViewSynchronousAPIs[] = "enable-webview-synchronous-apis";
 #endif
 
 #if defined(OS_POSIX)
 // Causes the child processes to cleanly exit via calling exit().
 const char kChildCleanExit[]                = "child-clean-exit";
 #endif
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 // Specify the amount the trackpad should scroll by.
 const char kScrollPixels[]                  = "scroll-pixels";
@@ skipping 29 matching lines @@
 // Sets the width and height above which a composited layer will get tiled.
 const char kMaxUntiledLayerWidth[]          = "max-untiled-layer-width";
 const char kMaxUntiledLayerHeight[]         = "max-untiled-layer-height";
 
 const char kEnableFixedPositionCreatesStackingContext[]
     = "enable-fixed-position-creates-stacking-context";
 const char kDisableFixedPositionCreatesStackingContext[]
     = "disable-fixed-position-creates-stacking-context";
 
 }  // namespace switches