Set need need_context_state_reset when GrContext accessed

When we access RasterDecoderContextState::gr_context, the
RasterDecoderImpl::context_state may become inconsistent with
actual GL context state and we should set need_context_state_reset

Bug: 910274
Change-Id: I834ce6e4cf9b5fe549de432b3bc6c06fa2a6ccbd
Reviewed-on: https://chromium-review.googlesource.com/c/1355438
Commit-Queue: Jonathan Backer <backer@chromium.org>
Reviewed-by: Peng Huang <penghuang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612332}

components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.cc

@@ -559,6 +559,7 @@ bool SkiaOutputSurfaceImplOnGpu::MakeCurrent() {
       context_lost_callback_.Run();
       return false;
     }
+    context_state_->need_context_state_reset = true;
   }
   return true;
 }

gpu/command_buffer/service/gr_cache_controller.cc

@@ -35,6 +35,7 @@ void GrCacheController::ScheduleGrContextCleanup() {
   // a long while even if it is under budget. Below we set a call back to
   // purge all possible GrContext resources if the context itself is not being
   // used.
+  context_state_->need_context_state_reset = true;
   context_state_->gr_context->performDeferredCleanup(
       std::chrono::seconds(kOldResourceCleanupDelaySeconds));
 
@@ -68,6 +69,7 @@ void GrCacheController::PurgeGrCache(uint64_t idle_id) {
     return;
   }
 
+  context_state_->need_context_state_reset = true;
   context_state_->gr_context->freeGpuResources();
 }