Pass Surface ID namespace to renderer compositors.

content/browser/renderer_host/render_widget_host_view_aura_unittest.cc

 // Copyright (c) 2012 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/renderer_host/render_widget_host_view_aura.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/shared_memory.h"
@@ skipping 3351 matching lines @@
   SendInputEventACK(WebInputEvent::MouseWheel,
                     INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
   EXPECT_EQ(OVERSCROLL_NONE, overscroll_mode());
   EXPECT_EQ(15.f, overscroll_delta_x());
   EXPECT_EQ(-5.f, overscroll_delta_y());
   SimulateGestureFlingStartEvent(0.f, 0.1f, blink::WebGestureDeviceTouchpad);
   EXPECT_EQ(0.f, overscroll_delta_x());
   EXPECT_EQ(0.f, overscroll_delta_y());
 }
 
+// Tests that UpdateSurfaceIdNamespace message is sent to the renderer when
+// a new SurfaceFactory is created.
+TEST_F(RenderWidgetHostViewAuraTest, UpdateSurfaceIdNamespaceSent) {
+  gfx::Size size(5, 5);
+
+  view_->InitAsChild(NULL);
+  view_->Show();
+  view_->SetSize(size);
+  sink_->ClearMessages();
+  view_->OnSwapCompositorFrame(0,
+                               MakeDelegatedFrame(1.f, size, gfx::Rect(size)));
+  const IPC::Message* msg =
+      sink_->GetUniqueMessageMatching(ViewMsg_UpdateSurfaceIdNamespace::ID);
+  EXPECT_TRUE(msg);
+  ViewMsg_UpdateSurfaceIdNamespace::Param params;
+  ViewMsg_UpdateSurfaceIdNamespace::Read(msg, &params);
+  EXPECT_EQ(view_->GetSurfaceIdNamespace(), get<0>(params));
+}
+
 }  // namespace content