Adding a chrome flag to control the touch selection granularity strategy used by Blink.

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 {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
 // have an effect. 0 disables MSAA.
@@ skipping 758 matching lines @@
 const char kTabCloseButtonsHiddenWithTouch[] =
     "tab-close-buttons-hidden-with-touch";
 
 // Allows for forcing socket connections to http/https to use fixed ports.
 const char kTestingFixedHttpPort[]          = "testing-fixed-http-port";
 const char kTestingFixedHttpsPort[]         = "testing-fixed-https-port";
 
 // Type of the current test harness ("browser" or "ui").
 const char kTestType[]                      = "test-type";
 
+// Controls how text selection granularity changes when touch text selection
+// handles are dragged.
+const char kTouchTextSelectionStrategy[]    = "touch-selection-strategy";
+
 // Causes TRACE_EVENT flags to be recorded beginning with shutdown. Optionally,
 // can specify the specific trace categories to include (e.g.
 // --trace-shutdown=base,net) otherwise, all events are recorded.
 // --trace-shutdown-file can be used to control where the trace log gets stored
 // to since there is otherwise no way to access the result.
 const char kTraceShutdown[]                 = "trace-shutdown";
 
 // If supplied, sets the file which shutdown tracing will be stored into, if
 // omitted the default will be used "chrometrace.log" in the current directory.
 // Has no effect unless --trace-shutdown is also supplied.
@@ skipping 196 matching lines @@
 const char kEnableNpapi[]                   = "enable-npapi";
 
 #if defined(ENABLE_PLUGINS)
 // Enables the plugin power saver feature.
 const char kEnablePluginPowerSaver[] = "enable-plugin-power-saver";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches