Notify paint for each frame

third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp

Index: third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp b/third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp
index c5ee0d2dcc69c2d3d5ab7f4d6cfc8b4a27faec58..9352aef815ea8f09efe2e9cde186bf7f57317f7c 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp
+++ b/third_party/WebKit/Source/platform/graphics/paint/PaintController.cpp
@@ -577,7 +577,7 @@ void PaintController::CommitNewDisplayItems(
     }
   }
 
-  if (!first_painted_) {
+  if (!FirstPainted(current_frames_.back())) {
     for (const auto& item : new_display_item_list_) {
       if (item.IsDrawing() &&
           // Here we ignore all document-background paintings because we don't
@@ -586,7 +586,7 @@ void PaintController::CommitNewDisplayItems(
           // background.
           item.GetType() != DisplayItem::kDocumentBackground &&
           item.DrawsContent()) {
-        first_painted_ = true;
+        SetFirstPainted();
         break;
       }
     }
@@ -944,4 +944,49 @@ void PaintController::ShowDebugDataInternal(bool show_paint_records) const {
           .data());
 }
 
+bool PaintController::FirstPainted(const void* frame) const {
+  if (first_painted_.Contains(frame))
+    return first_painted_.at(frame);
+
+  return false;
+}
+
+void PaintController::SetFirstPainted() {
+  DCHECK(!current_frames_.IsEmpty());
+  first_painted_.Set(current_frames_.back(), true);
+}
+
+bool PaintController::TextPainted(const void* frame) const {
+  if (text_painted_.Contains(frame))
+    return text_painted_.at(frame);
+
+  return false;
+}
+
+void PaintController::SetTextPainted() {
+  DCHECK(!current_frames_.IsEmpty());
+  text_painted_.Set(current_frames_.back(), true);
+}
+
+bool PaintController::ImagePainted(const void* frame) const {
+  if (image_painted_.Contains(frame))
+    return image_painted_.at(frame);
+
+  return false;
+}
+
+void PaintController::SetImagePainted() {
+  DCHECK(!current_frames_.IsEmpty());
+  image_painted_.Set(current_frames_.back(), true);
+}
+
+void PaintController::BeginFrame(const void* frame) {
+  current_frames_.push_back(frame);
+}
+
+void PaintController::EndFrame(const void* frame) {
+  DCHECK(current_frames_.back() == frame);
+  current_frames_.pop_back();
+}
+
 }  // namespace blink