Convert Pass()→std::move() for Mac build.

content/browser/compositor/browser_compositor_view_mac.mm

Index: content/browser/compositor/browser_compositor_view_mac.mm
diff --git a/content/browser/compositor/browser_compositor_view_mac.mm b/content/browser/compositor/browser_compositor_view_mac.mm
index d4104d289eae98c96e19c98dcd5c0d1c7045b16b..4670ed02ced8f085ed22fd20e87e8fc834942c43 100644
--- a/content/browser/compositor/browser_compositor_view_mac.mm
+++ b/content/browser/compositor/browser_compositor_view_mac.mm
@@ -6,6 +6,8 @@
 
 #include <stdint.h>
 
+#include <utility>
+
 #include "base/lazy_instance.h"
 #include "base/trace_event/trace_event.h"
 #include "content/browser/compositor/image_transport_factory.h"
@@ -76,8 +78,8 @@ void BrowserCompositorMac::OnCompositingDidCommit(
 scoped_ptr<BrowserCompositorMac> BrowserCompositorMac::Create() {
   DCHECK(ui::WindowResizeHelperMac::Get()->task_runner());
   if (g_recyclable_browser_compositor.Get())
-    return g_recyclable_browser_compositor.Get().Pass();
-  return scoped_ptr<BrowserCompositorMac>(new BrowserCompositorMac).Pass();
+    return std::move(g_recyclable_browser_compositor.Get());
+  return scoped_ptr<BrowserCompositorMac>(new BrowserCompositorMac);
 }
 
 // static