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

chrome/browser/resources/safe_browsing_multiple_threat_block.html

Index: chrome/browser/resources/safe_browsing_multiple_threat_block.html
diff --git a/chrome/browser/resources/safe_browsing_multiple_threat_block.html b/chrome/browser/resources/safe_browsing_multiple_threat_block.html
index 40dd0c4efea99375a18ca0e2d6962e5deecea868..47e6b65ce7a0026206dc79f4d702b72ad50f0be2 100644
--- a/chrome/browser/resources/safe_browsing_multiple_threat_block.html
+++ b/chrome/browser/resources/safe_browsing_multiple_threat_block.html
@@ -131,8 +131,8 @@ function takeMeBack() {
       <div class="main"><a href="" i18n-content="description3" onclick="learnMore(); return false;" onmousedown="return false;"></a></div>
       <div class="main">
         <form class="submission">
-          <input name="checky" id="checky" type="checkbox" onclick="agreed(this.form)">&nbsp;<label for="checky" i18n-content="confirm_text"></label>
-          <input type="button" name="continue_button" i18n-values="value:continue_button" disabled="true" onclick="proceed();"><br>
+          <input name="checky" id="checky" type="checkbox" onclick="agreed(this.form)">&nbsp;<label for="checky" i18n-content="confirm_text" jsdisplay="!proceed_disabled"></label>

[James Hawkins, 2012/06/29 17:31:51]

80 cols.

[Joao da Silva, 2012/07/02 10:08:40]

Done.

+          <input type="button" name="continue_button" i18n-values="value:continue_button" disabled="true" jsdisplay="!proceed_disabled" onclick="proceed();"><br>

[James Hawkins, 2012/06/29 17:31:51]

80 cols.

[James Hawkins, 2012/06/29 17:31:51]

Use <button> instead of type=button

[Joao da Silva, 2012/07/02 10:08:40]

Done.

[Joao da Silva, 2012/07/02 10:08:40]

Done.

           <input type="button" name="back_button" i18n-values="value:back_button" onclick="takeMeBack()">
         </form>
       </div>