Add a policy to disable proceeding through the Safe Browsing interstitials.

chrome/browser/safe_browsing/safe_browsing_blocking_page.cc

Index: chrome/browser/safe_browsing/safe_browsing_blocking_page.cc
diff --git a/chrome/browser/safe_browsing/safe_browsing_blocking_page.cc b/chrome/browser/safe_browsing/safe_browsing_blocking_page.cc
index 1e9f7be9634f14030a2c7b3b343d743f1cbc85aa..fca41dfc0595a710f4d42595d0336123a2c50b3f 100644
--- a/chrome/browser/safe_browsing/safe_browsing_blocking_page.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_blocking_page.cc
@@ -231,6 +231,8 @@ void SafeBrowsingBlockingPage::PopulateStringDictionary(
   strings->SetString("description1", description1);
   strings->SetString("description2", description2);
   strings->SetString("description3", description3);
+  strings->SetBoolean("proceedDisabled",
+                      IsPrefEnabled(prefs::kSafeBrowsingProceedAnywayDisabled));
 }
 
 void SafeBrowsingBlockingPage::PopulateMultipleThreatStringDictionary(
@@ -380,19 +382,10 @@ void SafeBrowsingBlockingPage::PopulateMalwareStringDictionary(
                        l10n_util::GetStringFUTF16(
                            IDS_SAFE_BROWSING_MALWARE_REPORTING_AGREE,
                            UTF8ToUTF16(privacy_link)));
-
-    Profile* profile = Profile::FromBrowserContext(
-        web_contents_->GetBrowserContext());
-    const PrefService::Preference* pref =
-        profile->GetPrefs()->FindPreference(
-            prefs::kSafeBrowsingReportingEnabled);
-
-    bool value;
-    if (pref && pref->GetValue()->GetAsBoolean(&value) && value) {
+    if (IsPrefEnabled(prefs::kSafeBrowsingReportingEnabled))
       strings->SetString(kBoxChecked, "yes");
-    } else {
+    else
       strings->SetString(kBoxChecked, "");
-    }
   }
 }
 
@@ -468,18 +461,23 @@ void SafeBrowsingBlockingPage::CommandReceived(const std::string& cmd) {
     return;
   }
 
+  bool proceed_blocked = false;
   if (command == kProceedCommand) {
-    interstitial_page_->Proceed();
-    // We are deleted after this.
-    return;
+    if (IsPrefEnabled(prefs::kSafeBrowsingProceedAnywayDisabled)) {
+      proceed_blocked = true;
+    } else {
+      interstitial_page_->Proceed();
+      // |this| has been deleted after Proceed() returns.
+      return;
+    }
   }
 
-  if (command == kTakeMeBackCommand) {
+  if (command == kTakeMeBackCommand || proceed_blocked) {
     if (is_main_frame_load_blocked_) {
       // If the load is blocked, we want to close the interstitial and discard
       // the pending entry.
       interstitial_page_->DontProceed();
-      // We are deleted after this.
+      // |this| has been deleted after DontProceed() returns.
       return;
     }
 
@@ -680,13 +678,7 @@ void SafeBrowsingBlockingPage::FinishMalwareDetails(int64 delay_ms) {
   if (malware_details_ == NULL)
     return;  // Not all interstitials have malware details (eg phishing).
 
-  Profile* profile = Profile::FromBrowserContext(
-      web_contents_->GetBrowserContext());
-  const PrefService::Preference* pref =
-      profile->GetPrefs()->FindPreference(prefs::kSafeBrowsingReportingEnabled);
-
-  bool value;
-  if (pref && pref->GetValue()->GetAsBoolean(&value) && value) {
+  if (IsPrefEnabled(prefs::kSafeBrowsingReportingEnabled)) {
     // Finish the malware details collection, send it over.
     BrowserThread::PostDelayedTask(
         BrowserThread::IO, FROM_HERE,
@@ -695,6 +687,12 @@ void SafeBrowsingBlockingPage::FinishMalwareDetails(int64 delay_ms) {
   }
 }
 
+bool SafeBrowsingBlockingPage::IsPrefEnabled(const char* pref) {
+  Profile* profile =
+      Profile::FromBrowserContext(web_contents_->GetBrowserContext());
+  return profile->GetPrefs()->GetBoolean(pref);
+}
+
 // static
 void SafeBrowsingBlockingPage::NotifySafeBrowsingService(
     SafeBrowsingService* sb_service,