SurfaceAggregator should check whether output is secure when drawin

content/browser/compositor/gpu_process_transport_factory.cc

 // Copyright 2014 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 "content/browser/compositor/gpu_process_transport_factory.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 134 matching lines @@
 
 }  // namespace
 
 namespace content {
 
 struct GpuProcessTransportFactory::PerCompositorData {
   gpu::SurfaceHandle surface_handle;
   BrowserCompositorOutputSurface* surface;
   ReflectorImpl* reflector;
   std::unique_ptr<cc::OnscreenDisplayClient> display_client;
+  bool output_is_secure = false;
 
   PerCompositorData()
       : surface_handle(gpu::kNullSurfaceHandle),
         surface(nullptr),
         reflector(nullptr) {}
 };
 
 GpuProcessTransportFactory::GpuProcessTransportFactory()
     : next_surface_id_namespace_(1u),
       task_graph_runner_(new cc::SingleThreadTaskGraphRunner),
@@ skipping 340 matching lines @@
           ? new cc::SurfaceDisplayOutputSurface(
                 manager, compositor->surface_id_allocator(),
                 static_cast<scoped_refptr<cc::VulkanContextProvider>>(
                     vulkan_context_provider))
           : new cc::SurfaceDisplayOutputSurface(
                 manager, compositor->surface_id_allocator(), context_provider,
                 shared_worker_context_provider_));
   display_client->set_surface_output_surface(output_surface.get());
   output_surface->set_display_client(display_client.get());
   display_client->display()->Resize(compositor->size());
+  display_client->display()->SetOutputIsSecure(data->output_is_secure);
   data->display_client = std::move(display_client);
   compositor->SetOutputSurface(std::move(output_surface));
 }
 
 std::unique_ptr<ui::Reflector> GpuProcessTransportFactory::CreateReflector(
     ui::Compositor* source_compositor,
     ui::Layer* target_layer) {
   PerCompositorData* source_data = per_compositor_data_[source_compositor];
   DCHECK(source_data);
 
@@ skipping 102 matching lines @@
   if (it == per_compositor_data_.end())
     return;
   PerCompositorData* data = it->second;
   DCHECK(data);
   if (data->surface) {
     data->surface->begin_frame_source()->SetAuthoritativeVSyncInterval(
         interval);
   }
 }
 
+void GpuProcessTransportFactory::SetOutputIsSecure(ui::Compositor* compositor,
+                                                   bool secure) {
+  PerCompositorDataMap::iterator it = per_compositor_data_.find(compositor);
+  if (it == per_compositor_data_.end())
+    return;
+  PerCompositorData* data = it->second;
+  DCHECK(data);
+  data->output_is_secure = secure;
+  if (data->display_client)
+    data->display_client->display()->SetOutputIsSecure(secure);
+}
+
 cc::SurfaceManager* GpuProcessTransportFactory::GetSurfaceManager() {
   return surface_manager_.get();
 }
 
 display_compositor::GLHelper* GpuProcessTransportFactory::GetGLHelper() {
   if (!gl_helper_ && !per_compositor_data_.empty()) {
     scoped_refptr<cc::ContextProvider> provider =
         SharedMainThreadContextProvider();
     if (provider.get())
       gl_helper_.reset(new display_compositor::GLHelper(
@@ skipping 120 matching lines @@
       shared_vulkan_context_provider_ =
           cc::VulkanInProcessContextProvider::Create();
     }
 
     shared_vulkan_context_provider_initialized_ = true;
   }
   return shared_vulkan_context_provider_;
 }
 
 }  // namespace content