Combine the WM_CHAR with WM_KEY* for key event flow.

base/base_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 "base/base_switches.h"
 
 namespace switches {
 
 // Disables the crash reporting.
 const char kDisableBreakpad[]               = "disable-breakpad";
@@ skipping 50 matching lines @@
 
 // Configure whether chrome://profiler will contain timing information. This
 // option is enabled by default. A value of "0" will disable profiler timing,
 // while all other values will enable it.
 const char kProfilerTiming[]                = "profiler-timing";
 // Value of the --profiler-timing flag that will disable timing information for
 // chrome://profiler.
 const char kProfilerTimingDisabledValue[]   = "0";
 
 #if defined(OS_WIN)
+// Disables merging the key event (WM_KEY*) with the char event (WM_CHAR).
+const char kDisableMergeKeyCharEvents[]     = "disable-merge-key-char-events";
+
 // Disables the USB keyboard detection for blocking the OSK on Win8+.
 const char kDisableUsbKeyboardDetect[]      = "disable-usb-keyboard-detect";
 #endif
 
 #if defined(OS_POSIX)
 // Used for turning on Breakpad crash reporting in a debug environment where
 // crash reporting is typically compiled but disabled.
 const char kEnableCrashReporterForTesting[] =
     "enable-crash-reporter-for-testing";
 #endif
 
 }  // namespace switches