DevTools: disable the Chrome tab debugging warning for force-installed extensions.

chrome/common/pref_names.h

Index: chrome/common/pref_names.h
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index 80129ea35cb98f458f989de6996dcb7cf708bfd4..edb31a44a569cad242837c0dbfe788f170c27863 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -567,6 +567,7 @@ extern const char kNtpShownPage[];
 
 extern const char kDevToolsAdbKey[];
 extern const char kDevToolsDisabled[];
+extern const char kDevToolsDiscoverTCPTargetsEnabled[];
 extern const char kDevToolsDiscoverUsbDevicesEnabled[];
 extern const char kDevToolsEditedFiles[];
 extern const char kDevToolsFileSystemPaths[];
@@ -574,7 +575,7 @@ extern const char kDevToolsPortForwardingEnabled[];
 extern const char kDevToolsPortForwardingDefaultSet[];
 extern const char kDevToolsPortForwardingConfig[];
 extern const char kDevToolsPreferences[];
-extern const char kDevToolsDiscoverTCPTargetsEnabled[];
+extern const char kDevToolsSilentManagedDebuggerAPIEnabled[];
 extern const char kDevToolsTCPDiscoveryConfig[];
 #if defined(OS_ANDROID)
 extern const char kDevToolsRemoteEnabled[];