cc: Unify context losing machinery

webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc

Index: webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
diff --git a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc b/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
index d7ae282dc66a01a7dbbc9120c943596c3c627af3..93cca433d3460e033b297744b9aabe2302e19692 100644
--- a/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
+++ b/webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.cc
@@ -1657,6 +1657,15 @@ WGC3Dboolean WebGraphicsContext3DInProcessCommandBufferImpl::
   return gl_->UnmapBufferCHROMIUM(target);
 }
 
+void WebGraphicsContext3DInProcessCommandBufferImpl::loseContextCHROMIUM(
+    WGC3Denum current, WGC3Denum other) {
+  ClearContext();
+  // TODO(danakj): Calling LoseContextCHROMIUM() on the command buffer also
+  // prevents recreating a valid context. So we only simulate the loss for now.
+  // http://crbug.com/166671
+  context_lost_reason_ = current;
+}
+
 GrGLInterface* WebGraphicsContext3DInProcessCommandBufferImpl::
     onCreateGrGLInterface() {
   return CreateCommandBufferSkiaGLBinding();