Hook up persist toggle UMA for PermissionRequestManager on Android

chrome/browser/permissions/permission_prompt_android.cc

Index: chrome/browser/permissions/permission_prompt_android.cc
diff --git a/chrome/browser/permissions/permission_prompt_android.cc b/chrome/browser/permissions/permission_prompt_android.cc
index 9893147833314b1f6e2ca639c72794b6066951ed..4cafdfa4f96e4ecfb64ca63e3e465b4fecd09823 100644
--- a/chrome/browser/permissions/permission_prompt_android.cc
+++ b/chrome/browser/permissions/permission_prompt_android.cc
@@ -9,6 +9,7 @@
 #include "chrome/browser/permissions/grouped_permission_infobar_delegate_android.h"
 #include "chrome/browser/permissions/permission_dialog_delegate.h"
 #include "chrome/browser/permissions/permission_request.h"
+#include "chrome/browser/permissions/permission_uma_util.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/theme_resources.h"
@@ -77,18 +78,33 @@ void PermissionPromptAndroid::Closing() {
 }
 
 void PermissionPromptAndroid::TogglePersist(bool value) {
+  persist_ = value;
   if (delegate_)
     delegate_->TogglePersist(value);
 }
 
 void PermissionPromptAndroid::Accept() {
-  if (delegate_)
+  if (delegate_) {
+    if (ShouldShowPersistenceToggle()) {
+      for (const PermissionRequest* request : delegate_->Requests()) {
+        PermissionUmaUtil::PermissionPromptAcceptedWithPersistenceToggle(
+            request->GetContentSettingsType(), persist_);

[raymes, 2017/06/15 04:41:36]

Dom said there is a way to test the histograms from instrumentation tests using
RecordHistogram.getHistogramValueCountForTesting. It may be good to do that.

[Timothy Loh, 2017/06/15 06:00:58]

I added an assert in GeolocationTest.java, could do the same in MediaTest but
would require changing a bit more.

+      }
+    }
     delegate_->Accept();
+  }
 }
 
 void PermissionPromptAndroid::Deny() {
-  if (delegate_)
+  if (delegate_) {
+    if (ShouldShowPersistenceToggle()) {
+      for (const PermissionRequest* request : delegate_->Requests()) {
+        PermissionUmaUtil::PermissionPromptDeniedWithPersistenceToggle(
+            request->GetContentSettingsType(), persist_);
+      }
+    }
     delegate_->Deny();
+  }
 }
 
 size_t PermissionPromptAndroid::PermissionCount() const {