Password manager: introduce logging for the internals page

components/autofill/content/renderer/password_autofill_agent.h

Index: components/autofill/content/renderer/password_autofill_agent.h
diff --git a/components/autofill/content/renderer/password_autofill_agent.h b/components/autofill/content/renderer/password_autofill_agent.h
index f814dfdfd972da509f7d46a84582768e6746591f..a3629dfaf26fd557cd0151d36367565bb0b2dd8f 100644
--- a/components/autofill/content/renderer/password_autofill_agent.h
+++ b/components/autofill/content/renderer/password_autofill_agent.h
@@ -124,6 +124,7 @@ class PasswordAutofillAgent : public content::RenderViewObserver {
 
   // RenderView IPC handlers:
   void OnFillPasswordForm(const PasswordFormFillData& form_data);
+  void OnChangeLoggingState(bool active);
 
   // Scans the given frame for password forms and sends them up to the browser.
   // If |only_visible| is true, only forms visible in the layout are sent.
@@ -189,6 +190,9 @@ class PasswordAutofillAgent : public content::RenderViewObserver {
 
   PasswordValueGatekeeper gatekeeper_;
 
+  // True indicates that user debug information should be logged.
+  bool logging_state_active_;
+
   base::WeakPtrFactory<PasswordAutofillAgent> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordAutofillAgent);