cc: Use COMMANDS_COMPLETED on ARM so native GMBs work correctly.

cc/resources/resource_provider.cc

Index: cc/resources/resource_provider.cc
diff --git a/cc/resources/resource_provider.cc b/cc/resources/resource_provider.cc
index 49dae1d6ae988284713422c430f0f1e8a2f814e8..b400b7dbc341c06c28d0a179335ab663eb6eaa2d 100644
--- a/cc/resources/resource_provider.cc
+++ b/cc/resources/resource_provider.cc
@@ -1912,13 +1912,6 @@ void ResourceProvider::LazyCreateImage(Resource* resource) {
     GLES2Interface* gl = ContextGL();
     DCHECK(gl);
 
-#if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARM_FAMILY)
-    // TODO(reveman): This avoids a performance problem on ARM ChromeOS
-    // devices. This only works with shared memory backed buffers.
-    // crbug.com/580166
-    DCHECK_EQ(resource->gpu_memory_buffer->GetHandle().type,
-              gfx::SHARED_MEMORY_BUFFER);
-#endif
     resource->image_id = gl->CreateImageCHROMIUM(
         resource->gpu_memory_buffer->AsClientBuffer(), resource->size.width(),
         resource->size.height(), GLInternalFormat(resource->format));