aw: Remove legacy rendering path

content/browser/android/in_process/synchronous_compositor_output_surface.cc

Index: content/browser/android/in_process/synchronous_compositor_output_surface.cc
diff --git a/content/browser/android/in_process/synchronous_compositor_output_surface.cc b/content/browser/android/in_process/synchronous_compositor_output_surface.cc
index 4590ed3138390997168f8e56c8e279acbbc046b8..45a2e9903f764d6c4a5f3c47106e29b64441fc62 100644
--- a/content/browser/android/in_process/synchronous_compositor_output_surface.cc
+++ b/content/browser/android/in_process/synchronous_compositor_output_surface.cc
@@ -79,10 +79,8 @@ SynchronousCompositorOutputSurface::SynchronousCompositorOutputSurface(
   capabilities_.deferred_gl_initialization = true;
   capabilities_.draw_and_swap_full_viewport_every_frame = true;
   capabilities_.adjust_deadline_for_parent = false;
-  if (IsDelegatedRendererEnabled()) {
-    capabilities_.delegated_rendering = true;
-    capabilities_.max_frames_pending = 1;
-  }
+  capabilities_.delegated_rendering = true;
+  capabilities_.max_frames_pending = 1;
   // Cannot call out to GetDelegate() here as the output surface is not
   // constructed on the correct thread.
 
@@ -139,10 +137,6 @@ void SynchronousCompositorOutputSurface::SetNeedsBeginFrame(bool enable) {
 void SynchronousCompositorOutputSurface::SwapBuffers(
     cc::CompositorFrame* frame) {
   DCHECK(CalledOnValidThread());
-  if (!ForcedDrawToSoftwareDevice() && !IsDelegatedRendererEnabled()) {
-    DCHECK(context_provider_);
-    context_provider_->ContextGL()->ShallowFlushCHROMIUM();
-  }
 
   frame_holder_.reset(new cc::CompositorFrame);
   frame->AssignTo(frame_holder_.get());