cc: Switch to Chromium DCHECKs and LOGs

cc/test/fake_web_compositor_output_surface.h

Index: cc/test/fake_web_compositor_output_surface.h
diff --git a/cc/test/fake_web_compositor_output_surface.h b/cc/test/fake_web_compositor_output_surface.h
index 2d3128cc3503336d7c949687422385a4e892722a..8b2ccac0878bb736c4ccee830b1e1c5166cc0301 100644
--- a/cc/test/fake_web_compositor_output_surface.h
+++ b/cc/test/fake_web_compositor_output_surface.h
@@ -6,6 +6,7 @@
 #define FakeWebCompositorOutputSurface_h
 
 #include "base/memory/scoped_ptr.h"
+#include "cc/dcheck.h"
 #include "cc/test/fake_web_compositor_software_output_device.h"
 #include <public/WebCompositorOutputSurface.h>
 #include <public/WebGraphicsContext3D.h>
@@ -30,7 +31,7 @@ public:
     {
         if (!m_context3D)
             return true;
-        ASSERT(client);
+        DCHECK(client);
         if (!m_context3D->makeContextCurrent())
             return false;
         m_client = client;