Add PermissionPromptAndroid skeleton

chrome/browser/permissions/permission_request_manager.cc

Index: chrome/browser/permissions/permission_request_manager.cc
diff --git a/chrome/browser/permissions/permission_request_manager.cc b/chrome/browser/permissions/permission_request_manager.cc
index 3d58a72046e9f185c6e3d53e482e44e7f06b11b7..37ceabf43d27b7c261c2983d00ea7b36413aaae5 100644
--- a/chrome/browser/permissions/permission_request_manager.cc
+++ b/chrome/browser/permissions/permission_request_manager.cc
@@ -7,10 +7,13 @@
 #include <algorithm>
 
 #include "base/command_line.h"
+#include "base/feature_list.h"
 #include "base/metrics/user_metrics_action.h"
 #include "build/build_config.h"
 #include "chrome/browser/permissions/permission_request.h"
 #include "chrome/browser/permissions/permission_uma_util.h"
+#include "chrome/browser/ui/website_settings/permission_prompt.h"
+#include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_details.h"
@@ -74,15 +77,12 @@ DEFINE_WEB_CONTENTS_USER_DATA_KEY(PermissionRequestManager);
 PermissionRequestManager::PermissionRequestManager(
     content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
-#if !defined(OS_ANDROID)  // No bubbles in android tests.
       view_factory_(base::Bind(&PermissionPrompt::Create)),
-#endif
       view_(nullptr),
       main_frame_has_fully_loaded_(false),
       persist_(true),
       auto_response_for_test_(NONE),
-      weak_factory_(this) {
-}
+      weak_factory_(this) {}
 
 PermissionRequestManager::~PermissionRequestManager() {
   if (view_ != NULL)
@@ -237,13 +237,8 @@ void PermissionRequestManager::DisplayPendingRequests() {
   if (IsBubbleVisible())
     return;
 
-#if defined(OS_ANDROID)
-  NOTREACHED();
-  return;
-#else
   view_ = view_factory_.Run(web_contents());
   view_->SetDelegate(this);
-#endif
 
   TriggerShowBubble();
 }
@@ -257,6 +252,15 @@ bool PermissionRequestManager::IsBubbleVisible() {
   return view_ && view_->IsVisible();
 }
 
+// static
+bool PermissionRequestManager::IsEnabled() {
+#if defined(OS_ANDROID)
+  return base::FeatureList::IsEnabled(features::kUseGroupedPermissionInfobars);
+#else
+  return true;
+#endif
+}
+
 gfx::NativeWindow PermissionRequestManager::GetBubbleWindow() {
   if (view_)
     return view_->GetNativeWindow();