Bug 1661197 - Initialize mBufferAge at constructor r=jnicol

Differential Revision: https://phabricator.services.mozilla.com/D88246

gfx/webrender_bindings/RenderCompositorEGL.cpp

@@ -58,7 +58,9 @@ EGLSurface RenderCompositorEGL::CreateEGLSurface() {
 
 RenderCompositorEGL::RenderCompositorEGL(
     RefPtr<widget::CompositorWidget> aWidget)
-    : RenderCompositor(std::move(aWidget)), mEGLSurface(EGL_NO_SURFACE) {}
+    : RenderCompositor(std::move(aWidget)),
+      mEGLSurface(EGL_NO_SURFACE),
+      mBufferAge(0) {}
 
 RenderCompositorEGL::~RenderCompositorEGL() {
 #ifdef MOZ_WIDGET_ANDROID

gfx/webrender_bindings/RenderCompositorOGL.cpp

@@ -34,7 +34,7 @@ UniquePtr<RenderCompositor> RenderCompositorOGL::Create(
 
 RenderCompositorOGL::RenderCompositorOGL(
     RefPtr<gl::GLContext>&& aGL, RefPtr<widget::CompositorWidget>&& aWidget)
-    : RenderCompositor(std::move(aWidget)), mGL(aGL) {
+    : RenderCompositor(std::move(aWidget)), mGL(aGL), mBufferAge(0) {
   MOZ_ASSERT(mGL);
 
   mIsEGL = aGL->GetContextType() == mozilla::gl::GLContextType::EGL;