Change default content verification mode for Google Chrome builds

chrome/browser/extensions/chrome_content_verifier_delegate.cc

Index: chrome/browser/extensions/chrome_content_verifier_delegate.cc
diff --git a/chrome/browser/extensions/chrome_content_verifier_delegate.cc b/chrome/browser/extensions/chrome_content_verifier_delegate.cc
index c181e5eb93edf9c29199cc353f777cf70bc24d30..0a31a5463f0e87e51d4b5bb285c84ffe3232e8a4 100644
--- a/chrome/browser/extensions/chrome_content_verifier_delegate.cc
+++ b/chrome/browser/extensions/chrome_content_verifier_delegate.cc
@@ -41,7 +41,12 @@ namespace extensions {
 ContentVerifierDelegate::Mode ChromeContentVerifierDelegate::GetDefaultMode() {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
 
-  Mode experiment_value = NONE;
+  Mode experiment_value;
+#if defined(GOOGLE_CHROME_BUILD)
+  experiment_value = ContentVerifierDelegate::ENFORCE;
+#else
+  experiment_value = ContentVerifierDelegate::NONE;
+#endif
   const std::string group =
       base::FieldTrialList::FindFullName(kContentVerificationExperimentName);
   if (group == "EnforceStrict")
@@ -50,6 +55,8 @@ ContentVerifierDelegate::Mode ChromeContentVerifierDelegate::GetDefaultMode() {
     experiment_value = ContentVerifierDelegate::ENFORCE;
   else if (group == "Bootstrap")
     experiment_value = ContentVerifierDelegate::BOOTSTRAP;
+  else if (group == "None")
+    experiment_value = ContentVerifierDelegate::NONE;
 
   // The field trial value that normally comes from the server can be
   // overridden on the command line, which we don't want to allow since