[Android] Omnibox Placeholder Experiment

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index ada7ed6b5b733083d718ecc93853a2a4faf27bc2..a8a454a0a937284eb0da89e79abab0b78dfd4fd2 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -908,6 +908,10 @@ 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-switch";
+
 // Specifies Android phone page loading progress bar animation.
 const char kProgressBarAnimation[]          = "progress-bar-animation";