Remove copy constructor of AwContentsLifecycleNotifier::AwContentsData

Bug: 1042048
Change-Id: I73ce0bbbc10eb54a9e602ff638e1c3ec49421715
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2033844
Commit-Queue: Tao Bai <michaelbai@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737940}

android_webview/browser/aw_contents_lifecycle_notifier.cc

@@ -31,6 +31,13 @@ AwContentsLifecycleNotifier::AwContentsState CalcuateState(
 
 }  // namespace
 
+AwContentsLifecycleNotifier::AwContentsData::AwContentsData() = default;
+
+AwContentsLifecycleNotifier::AwContentsData::AwContentsData(
+    AwContentsData&& data) = default;
+
+AwContentsLifecycleNotifier::AwContentsData::~AwContentsData() = default;
+
 // static
 AwContentsLifecycleNotifier& AwContentsLifecycleNotifier::GetInstance() {
   static base::NoDestructor<AwContentsLifecycleNotifier> instance;
@@ -45,8 +52,7 @@ void AwContentsLifecycleNotifier::OnWebViewCreated(
   bool first_created = !HasAwContentsInstance();
   DCHECK(aw_contents_id_to_data_.find(id) == aw_contents_id_to_data_.end());
 
-  aw_contents_id_to_data_.insert(
-      std::make_pair(id, AwContentsLifecycleNotifier::AwContentsData()));
+  aw_contents_id_to_data_.emplace(id, AwContentsData());
   state_count_[ToIndex(AwContentsState::kDetached)]++;
   UpdateAppState();
 

android_webview/browser/aw_contents_lifecycle_notifier.h

@@ -46,9 +46,16 @@ class AwContentsLifecycleNotifier {
 
  private:
   struct AwContentsData {
+    AwContentsData();
+    AwContentsData(AwContentsData&& data);
+    ~AwContentsData();
+
     bool attached_to_window = false;
     bool window_visible = false;
     AwContentsState aw_content_state = AwContentsState::kDetached;
+
+   private:
+    DISALLOW_COPY(AwContentsData);
   };
 
   friend base::NoDestructor<AwContentsLifecycleNotifier>;