Add a flag to enable open in window for hosted apps on Mac.

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 a18553e675126281e253c1584f94deba0a3c41ab..3bfc3a12c60ff62225f9bebbb2b573fb6b8e0a89 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -269,6 +269,9 @@ const char kDisableExtensionsHttpThrottling[] =
 // Disable field trial tests configured in fieldtrial_testing_config.json.
 const char kDisableFieldTrialTestingConfig[] = "disable-field-trial-config";
 
+// Prevents hosted apps from being opened in windows on Mac.
+const char kDisableHostedAppsInWindows[] = "disable-hosted-apps-in-windows";
+
 // Disable the behavior that the second click on a launcher item (the click when
 // the item is already active) minimizes the item.
 const char kDisableMinimizeOnSecondLauncherItemClick[] =
@@ -436,6 +439,9 @@ const char kEnableExtensionActivityLogTesting[] =
 // crbug.com/142458 .
 const char kEnableFastUnload[]         = "enable-fast-unload";
 
+// Allows hosted apps to be opened in windows on Mac.
+const char kEnableHostedAppsInWindows[] = "enable-hosted-apps-in-windows";
+
 // Enables support for the QUIC protocol for insecure schemes (http://).
 // This is a temporary testing flag.
 const char kEnableInsecureQuic[] = "enable-insecure-quic";