From ddb2b069ace569857506c03cf893cdabfab64d6f Mon Sep 17 00:00:00 2001
From: Samuel Attard <sattard@anthropic.com>
Date: Sat, 22 Nov 2025 02:38:56 -0800
Subject: [PATCH] fix: delegate GetSize() and Resize() to WebContentsView

Upstream delegated WebContents::GetSize() and Resize() to WebContentsView.
- GetSize() now requires const override
- Resize() is a new required method

Ref: https://chromium-review.googlesource.com/c/chromium/src/+/7155287
---
 shell/browser/osr/osr_web_contents_view.cc | 7 ++++++-
 shell/browser/osr/osr_web_contents_view.h  | 3 ++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/shell/browser/osr/osr_web_contents_view.cc b/shell/browser/osr/osr_web_contents_view.cc
index 99991fee12..a10f392e8b 100644
--- a/shell/browser/osr/osr_web_contents_view.cc
+++ b/shell/browser/osr/osr_web_contents_view.cc
@@ -70,10 +70,15 @@ void OffScreenWebContentsView::OnWindowClosed() {
   }
 }
 
-gfx::Size OffScreenWebContentsView::GetSize() {
+gfx::Size OffScreenWebContentsView::GetSize() const {
   return native_window_ ? native_window_->GetSize() : gfx::Size();
 }
 
+void OffScreenWebContentsView::Resize(const gfx::Rect& new_bounds) {
+  // OSR doesn't support resize via this method - it uses SetSize on the view
+  // directly. This is a no-op to satisfy the interface.
+}
+
 #if !BUILDFLAG(IS_MAC)
 gfx::NativeView OffScreenWebContentsView::GetNativeView() const {
   if (!native_window_)
diff --git a/shell/browser/osr/osr_web_contents_view.h b/shell/browser/osr/osr_web_contents_view.h
index 364fabff78..28210b373b 100644
--- a/shell/browser/osr/osr_web_contents_view.h
+++ b/shell/browser/osr/osr_web_contents_view.h
@@ -48,7 +48,8 @@ class OffScreenWebContentsView : public content::WebContentsView,
   void OnWindowResize() override;
   void OnWindowClosed() override;
 
-  gfx::Size GetSize();
+  gfx::Size GetSize() const override;
+  void Resize(const gfx::Rect& new_bounds) override;
 
   // content::WebContentsView:
   gfx::NativeView GetNativeView() const override;