Enable RGBA_4444 in GpuRasterBufferProvider

cc/output/gl_renderer.cc

 // Copyright 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/gl_renderer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 408 matching lines @@
 
 bool GLRenderer::CanPartialSwap() {
   if (use_swap_with_bounds_)
     return false;
   auto* context_provider = output_surface_->context_provider();
   return context_provider->ContextCapabilities().post_sub_buffer;
 }
 
 ResourceFormat GLRenderer::BackbufferFormat() const {
   if (current_frame()->current_render_pass->color_space.IsHDR() &&
-      resource_provider_->IsResourceFormatSupported(RGBA_F16)) {
+      resource_provider_->IsRenderBufferFormatSupported(RGBA_F16)) {
     return RGBA_F16;
   }
   return resource_provider_->best_texture_format();
 }
 
 void GLRenderer::DidChangeVisibility() {
   if (visible_) {
     output_surface_->EnsureBackbuffer();
   } else {
     TRACE_EVENT0("cc", "GLRenderer::DidChangeVisibility dropping resources");
@@ skipping 3142 matching lines @@
     return;
 
   // Report GPU overdraw as a percentage of |max_result|.
   TRACE_COUNTER1(
       TRACE_DISABLED_BY_DEFAULT("cc.debug.overdraw"), "GPU Overdraw",
       (std::accumulate(overdraw->begin(), overdraw->end(), 0) * 100) /
           max_result);
 }
 
 }  // namespace cc