Add metrics for permission prompt acceptance / denial

chrome/browser/ui/website_settings/mock_permission_bubble_request.h

Index: chrome/browser/ui/website_settings/mock_permission_bubble_request.h
diff --git a/chrome/browser/ui/website_settings/mock_permission_bubble_request.h b/chrome/browser/ui/website_settings/mock_permission_bubble_request.h
index 424c403b8e550da936c924ed0e0ce9ac6db4053d..38f27b88a2740e585557d9823cd134b1bf56884c 100644
--- a/chrome/browser/ui/website_settings/mock_permission_bubble_request.h
+++ b/chrome/browser/ui/website_settings/mock_permission_bubble_request.h
@@ -13,11 +13,13 @@ class MockPermissionBubbleRequest : public PermissionBubbleRequest {
  public:
   MockPermissionBubbleRequest();
   explicit MockPermissionBubbleRequest(const std::string& text);
-  explicit MockPermissionBubbleRequest(const std::string& text,
-                                       const GURL& url);
-  explicit MockPermissionBubbleRequest(const std::string& text,
-                                       const std::string& accept_label,
-                                       const std::string& deny_label);
+  MockPermissionBubbleRequest(const std::string& text,
+                              PermissionBubbleType bubble_type);
+  MockPermissionBubbleRequest(const std::string& text, const GURL& url);
+  MockPermissionBubbleRequest(const std::string& text,
+                              const std::string& accept_label,
+                              const std::string& deny_label);
+
   ~MockPermissionBubbleRequest() override;
 
   int GetIconId() const override;
@@ -28,15 +30,22 @@ class MockPermissionBubbleRequest : public PermissionBubbleRequest {
   void PermissionDenied() override;
   void Cancelled() override;
   void RequestFinished() override;
+  PermissionBubbleType GetPermissionBubbleType() const override;
 
   bool granted();
   bool cancelled();
   bool finished();
 
  private:
+  MockPermissionBubbleRequest(const std::string& text,
+                              const std::string& accept_label,
+                              const std::string& deny_label,
+                              const GURL& url,
+                              PermissionBubbleType bubble_type);
   bool granted_;
   bool cancelled_;
   bool finished_;
+  PermissionBubbleType bubble_type_;
 
   base::string16 text_;
   base::string16 accept_label_;