Add flag to override Effective Connection Type

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 53bcd053fdb91d400aa8916b326f188d582bdf48..dc42b1dac658cf31643f4fa21afd9d6be06ef3c0 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -483,6 +483,10 @@ const char kForceAppMode[]                  = "force-app-mode";
 // is triggered.
 const char kForceDesktopIOSPromotion[] = "force-desktop-ios-promotion";
 
+// Forces Network Quality Estimator (NQE) to return a specific effective
+// connection type.
+const char kForceEffectiveConnectionType[] = "force-effective-connection-type";
+
 // Displays the First Run experience when the browser is started, regardless of
 // whether or not it's actually the First Run (this overrides kNoFirstRun).
 const char kForceFirstRun[]                 = "force-first-run";