GLRenderer: Remove unused variable

Bug: 898680
Change-Id: Ib72c45a43c80a4f2ef90ee400e34274e9dff11f2
Reviewed-on: https://chromium-review.googlesource.com/c/1348858Reviewed-by: Robert Kroeger <rjkroege@chromium.org>
Commit-Queue: Yi Xu <yiyix@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610543}

components/viz/service/display/gl_renderer.cc

@@ -3116,7 +3116,7 @@ void GLRenderer::ScheduleCALayers() {
         ca_layer_overlay.edge_aa_mask, bounds_rect, filter);
   }
 
-  ReduceAvailableOverlayTextures(awaiting_swap_overlay_textures_);
+  ReduceAvailableOverlayTextures();
 }
 
 void GLRenderer::ScheduleDCLayers() {
@@ -3401,8 +3401,7 @@ GLRenderer::FindOrCreateOverlayTexture(const RenderPassId& render_pass_id,
   return result;
 }
 
-void GLRenderer::ReduceAvailableOverlayTextures(
-    const std::vector<std::unique_ptr<OverlayTexture>>& most_recent) {
+void GLRenderer::ReduceAvailableOverlayTextures() {
   // Overlay resources may get returned back to the compositor at varying rates,
   // so we may get a number of resources returned at once, then none for a
   // while. As such, we want to hold onto enough resources to not have to create

components/viz/service/display/gl_renderer.h

@@ -294,8 +294,7 @@ class VIZ_SERVICE_EXPORT GLRenderer : public DirectRenderer {
       int width,
       int height,
       const gfx::ColorSpace& color_space);
-  void ReduceAvailableOverlayTextures(
-      const std::vector<std::unique_ptr<OverlayTexture>>& most_recent);
+  void ReduceAvailableOverlayTextures();
 
   // Schedules the |ca_layer_overlay|, which is guaranteed to have a non-null
   // |rpdq| parameter. Returns ownership of a GL texture that contains the