Add some histograms to see how often users click through blocking pages.

R=jar

Review URL: http://codereview.chromium.org/99020


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15018 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/safe_browsing/safe_browsing_blocking_page.cc

@@ -6,6 +6,7 @@
 
 #include "chrome/browser/safe_browsing/safe_browsing_blocking_page.h"
 
+#include "base/histogram.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/dom_operation_notification_details.h"
@@ -49,6 +50,21 @@ static const char* const kLearnMoreCommand = "learnMore";
 static const char* const kProceedCommand = "proceed";
 static const char* const kTakeMeBackCommand = "takeMeBack";
 
+namespace {
+
+enum SafeBrowsingBlockingPageEvent {
+  SHOW,
+  PROCEED,
+  DONT_PROCEED,
+};
+
+void RecordSafeBrowsingBlockingPageStats(SafeBrowsingBlockingPageEvent event) {
+  static LinearHistogram histogram("interstial.safe_browsing", 0, 2, 3);
+  histogram.SetFlags(kUmaTargetedHistogramFlag);
+  histogram.Add(event);
+}
+
+}  // namespace
 // static
 SafeBrowsingBlockingPageFactory* SafeBrowsingBlockingPage::factory_ = NULL;
 
@@ -83,6 +99,7 @@ SafeBrowsingBlockingPage::SafeBrowsingBlockingPage(
       sb_service_(sb_service),
       is_main_frame_(IsMainPage(unsafe_resources)),
       unsafe_resources_(unsafe_resources) {
+  RecordSafeBrowsingBlockingPageStats(SHOW);
   if (!is_main_frame_) {
     navigation_entry_index_to_remove_ =
         tab()->controller().last_committed_entry_index();
@@ -362,6 +379,8 @@ void SafeBrowsingBlockingPage::CommandReceived(const std::string& cmd) {
 }
 
 void SafeBrowsingBlockingPage::Proceed() {
+  RecordSafeBrowsingBlockingPageStats(PROCEED);
+
   NotifySafeBrowsingService(sb_service_, unsafe_resources_, true);
 
   // Check to see if some new notifications of unsafe resources have been
@@ -387,6 +406,8 @@ void SafeBrowsingBlockingPage::Proceed() {
 }
 
 void SafeBrowsingBlockingPage::DontProceed() {
+  RecordSafeBrowsingBlockingPageStats(DONT_PROCEED);
+
   NotifySafeBrowsingService(sb_service_, unsafe_resources_, false);
 
   // The user does not want to proceed, clear the queued unsafe resources

chrome/browser/ssl/ssl_blocking_page.cc

@@ -4,6 +4,7 @@
 
 #include "chrome/browser/ssl/ssl_blocking_page.h"
 
+#include "base/histogram.h"
 #include "base/string_piece.h"
 #include "base/values.h"
 #include "chrome/browser/browser.h"
@@ -22,6 +23,22 @@
 #include "grit/browser_resources.h"
 #include "grit/generated_resources.h"
 
+namespace {
+
+enum SSLBlockingPageEvent {
+  SHOW,
+  PROCEED,
+  DONT_PROCEED,
+};
+
+void RecordSSLBlockingPageStats(SSLBlockingPageEvent event) {
+  static LinearHistogram histogram("interstial.ssl", 0, 2, 3);
+  histogram.SetFlags(kUmaTargetedHistogramFlag);
+  histogram.Add(event);
+}
+
+}  // namespace
+
 // Note that we always create a navigation entry with SSL errors.
 // No error happening loading a sub-resource triggers an interstitial so far.
 SSLBlockingPage::SSLBlockingPage(SSLManager::CertError* error,
@@ -30,6 +47,7 @@ SSLBlockingPage::SSLBlockingPage(SSLManager::CertError* error,
       error_(error),
       delegate_(delegate),
       delegate_has_been_notified_(false) {
+  RecordSSLBlockingPageStats(SHOW);
 }
 
 SSLBlockingPage::~SSLBlockingPage() {
@@ -94,6 +112,8 @@ void SSLBlockingPage::CommandReceived(const std::string& command) {
 }
 
 void SSLBlockingPage::Proceed() {
+  RecordSSLBlockingPageStats(PROCEED);
+
   // Accepting the certificate resumes the loading of the page.
   NotifyAllowCertificate();
 
@@ -102,11 +122,12 @@ void SSLBlockingPage::Proceed() {
 }
 
 void SSLBlockingPage::DontProceed() {
+  RecordSSLBlockingPageStats(DONT_PROCEED);
+
   NotifyDenyCertificate();
   InterstitialPage::DontProceed();
 }
 
-
 void SSLBlockingPage::NotifyDenyCertificate() {
   DCHECK(!delegate_has_been_notified_);