Add the extended reporting checkbox to the malware interstitial v3

chrome/browser/resources/ssl/interstitial_v2.css

Index: chrome/browser/resources/ssl/interstitial_v2.css
diff --git a/chrome/browser/resources/ssl/interstitial_v2.css b/chrome/browser/resources/ssl/interstitial_v2.css
index 84506997e4ccbe963d7e9970b6b3e813df2f1a77..bf196ed0464eafced411c9dfff968c36fc43e37e 100644
--- a/chrome/browser/resources/ssl/interstitial_v2.css
+++ b/chrome/browser/resources/ssl/interstitial_v2.css
@@ -46,7 +46,7 @@ button:hover {
 
 #details {
   color: #696969;
-  margin: 45px 0 150px 0;
+  margin: 45px 0 50px 0;
 }
 
 #details p:not(:first-of-type) {
@@ -88,8 +88,13 @@ h1 {
   width: 100%;
 }
 
+#malware-optin {
+  font-size: .875em;
+  margin-top: 39px;
+}
+
 .nav-wrapper {
-  margin-top: 84px;
+  margin-top: 51px;
 }
 
 .nav-wrapper::after {
@@ -99,9 +104,8 @@ h1 {
   width: 100%;
 }
 
-.small-link {
-  color: #696969;
-  font-size: .875em;
+#optin-label {
+  -webkit-margin-start: 32px;
 }
 
 .safe-browsing a,
@@ -121,12 +125,59 @@ h1 {
       url('../safe_browsing/images/2x/stop_sign.png') 2x);
 }
 
+.small-link {
+  color: #696969;
+  font-size: .875em;
+}
+
 .ssl .icon {
   background-image: -webkit-image-set(
       url('images/1x/brokenssl_red.png') 1x,
       url('images/2x/brokenssl_red.png') 2x);
 }
 
+.styled-checkbox {
+  float: left;
+  height: 16px;
+  margin-top: .36em;
+  position: relative;
+  width: 16px;
+}
+
+[dir='rtl'] .styled-checkbox {
+  float: right;
+}
+
+.styled-checkbox label {
+  background-color: white;
+  border-radius: 2px;
+  height: 16px;
+  left: 0;
+  position: absolute;
+  right: 0;
+  top: 0;
+  width: 16px;
+}
+
+.styled-checkbox label::after {
+  background: transparent;
+  border: 2px solid rgb(217, 69, 61);
+  border-right-width: 0;
+  border-top-width: 0;
+  content: '';
+  height: 4px;
+  left: 3px;
+  opacity: 0.3;
+  position: absolute;
+  top: 4px;
+  transform: rotate(-45deg);
+  width: 9px;
+}
+
+.styled-checkbox input[type=checkbox]:checked + label::after {
+  opacity: 1;
+}
+
 @media (max-width: 700px) {
   .interstitial-wrapper {
     padding: 0 10%;
@@ -166,6 +217,10 @@ h1 {
     padding: 0 5%;
   }
 
+  #malware-optin {
+    margin-top: 24px;
+  }
+
   .nav-wrapper {
     margin-top: 30px;
   }