Add a feature which, when enabled, blocks permissions after X prompt dismissals.

chrome/browser/permissions/permission_uma_util.h

Index: chrome/browser/permissions/permission_uma_util.h
diff --git a/chrome/browser/permissions/permission_uma_util.h b/chrome/browser/permissions/permission_uma_util.h
index 4ce425c7a07df07ed9a985112dd23805ccab9c6e..ae1100e92380e991a04b2f9e211b82cea05fc1ec 100644
--- a/chrome/browser/permissions/permission_uma_util.h
+++ b/chrome/browser/permissions/permission_uma_util.h
@@ -114,6 +114,16 @@ class PermissionUmaUtil {
   static void PermissionPromptDenied(
       const std::vector<PermissionRequest*>& requests);
 
+  // Records |count| repeats of a dismiss action for a prompt of type
+  // |permission| prior to the time when this function is called.
+  static void PermissionPromptDismissCount(content::PermissionType permission,

[kcarattini, 2016/08/08 06:14:31]

nit: Maybe "RecordPermissionPrompt....", otherwise I half-expected it to return
a count. 

I'm not sure what you mean by "prior to the time when this function is called".
Doesn't it just record the passed in |count|?

Same below.

[dominickn, 2016/08/08 06:26:08]

Done.

+                                           int count);
+
+  // Records |count| repeats of an ignore action for a prompt of type
+  // |permission| prior to the time when this function is called.
+  static void PermissionPromptIgnoreCount(content::PermissionType permission,
+                                          int count);
+
  private:
   friend class PermissionUmaUtilTest;