Start wiring up modal dialog experiment in PermissionRequestManager codepath

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 35e1d74d200451239569c5afa6f6af53ca70aec5..b8ead4413b33c69933f7b0afdd75850c33fcc697 100644
--- a/chrome/browser/permissions/permission_prompt_android.cc
+++ b/chrome/browser/permissions/permission_prompt_android.cc
@@ -7,6 +7,7 @@
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #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"
 
 PermissionPromptAndroid::PermissionPromptAndroid(
@@ -24,6 +25,18 @@ void PermissionPromptAndroid::SetDelegate(Delegate* delegate) {
 void PermissionPromptAndroid::Show(
     const std::vector<PermissionRequest*>& requests,
     const std::vector<bool>& values) {
+  // Grouped permission requests are not yet supported in dialogs.
+  // TODO(timloh): Handle grouped media permissions (camera + microphone).
+  if (requests.size() == 1) {
+    bool has_gesture =
+        requests[0]->GetGestureType() == PermissionRequestGestureType::GESTURE;
+    if (PermissionDialogDelegate::ShouldShowDialog(has_gesture)) {
+      requests_ = requests;
+      PermissionDialogDelegate::Create(web_contents_, this);
+      return;
+    }
+  }
+
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents_);
   if (!infobar_service)