From 0eff170956af5dc2e171f8bc450d29be7885f27b Mon Sep 17 00:00:00 2001
From: Tetsuharu Ohzeki <tetsuharu.ohzeki@gmail.com>
Date: Thu, 9 Sep 2021 02:02:11 +0000
Subject: [PATCH] Bug 1729816 - part 2: Remove unused
 CompositableHost::BumpFlashCounter(). r=gfx-reviewers,mattwoodrow

Differential Revision: https://phabricator.services.mozilla.com/D125004
---
 gfx/layers/composite/CompositableHost.cpp | 1 -
 gfx/layers/composite/CompositableHost.h   | 8 --------
 2 files changed, 9 deletions(-)

diff --git a/gfx/layers/composite/CompositableHost.cpp b/gfx/layers/composite/CompositableHost.cpp
index c515792f3201..48ba1407b34a 100644
--- a/gfx/layers/composite/CompositableHost.cpp
+++ b/gfx/layers/composite/CompositableHost.cpp
@@ -32,7 +32,6 @@ CompositableHost::CompositableHost(const TextureInfo& aTextureInfo)
     : mTextureInfo(aTextureInfo),
       mCompositorBridgeID(0),
       mLayer(nullptr),
-      mFlashCounter(0),
       mAttached(false),
       mKeepAttached(false) {
   MOZ_COUNT_CTOR(CompositableHost);
diff --git a/gfx/layers/composite/CompositableHost.h b/gfx/layers/composite/CompositableHost.h
index 925c957a6d6b..b4630837de51 100644
--- a/gfx/layers/composite/CompositableHost.h
+++ b/gfx/layers/composite/CompositableHost.h
@@ -206,13 +206,6 @@ class CompositableHost {
                                          TextureHost* aTextureOnWhite);
   virtual void RemoveTextureHost(TextureHost* aTexture);
 
-  // Called every time this is composited
-  void BumpFlashCounter() {
-    mFlashCounter = mFlashCounter >= DIAGNOSTIC_FLASH_COUNTER_MAX
-                        ? DIAGNOSTIC_FLASH_COUNTER_MAX
-                        : mFlashCounter + 1;
-  }
-
   uint64_t GetCompositorBridgeID() const { return mCompositorBridgeID; }
 
   const AsyncCompositableRef& GetAsyncRef() const { return mAsyncRef; }
@@ -245,7 +238,6 @@ class CompositableHost {
   uint64_t mCompositorBridgeID;
   RefPtr<TextureSourceProvider> mTextureSourceProvider;
   Layer* mLayer;
-  uint32_t mFlashCounter;  // used when the pref "layers.flash-borders" is true.
   bool mAttached;
   bool mKeepAttached;
 };