[Android] Omnibox Placeholder Experiment

chrome/common/chrome_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 "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "ppapi/features/features.h"
@@ skipping 903 matching lines @@
 
 // Forces a custom summary to be displayed below the update menu item.
 const char kForceShowUpdateMenuItemCustomSummary[] = "custom_summary";
 
 // Sets the market URL for Chrome for use in testing.
 const char kMarketUrlForTesting[] = "market-url-for-testing";
 
 // Switch to an existing tab for a suggestion opened from the New Tab Page.
 const char kNtpSwitchToExistingTab[] = "ntp-switch-to-existing-tab";
 
+// Specifies a particular hint text to show on omnibox url bar.
+const char kOmniboxPlaceholderExperimentSwitch[] =
+    "omnibox-placeholder-experiment";
+
 // Specifies Android phone page loading progress bar animation.
 const char kProgressBarAnimation[]          = "progress-bar-animation";
 
 // Specifies a particular tab management experiment to enable.
 const char kTabManagementExperimentTypeDisabled[] =
     "tab-management-experiment-type-disabled";
 const char kTabManagementExperimentTypeElderberry[] =
     "tab-management-experiment-type-elderberry";
 
 // Custom WebAPK server URL for the sake of testing.
@@ skipping 256 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR VERY NICE FLAGS TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches