Convert use of int ms to TimeDelta in files owned by bulach.

content/browser/device_orientation/provider_impl.h

Index: content/browser/device_orientation/provider_impl.h
diff --git a/content/browser/device_orientation/provider_impl.h b/content/browser/device_orientation/provider_impl.h
index 4fb5ebd3af243fff8911437c832bd0962f1df7a5..9c32d034a749b641091559e5dfea5a550139c30c 100644
--- a/content/browser/device_orientation/provider_impl.h
+++ b/content/browser/device_orientation/provider_impl.h
@@ -10,6 +10,7 @@
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/time.h"
 #include "content/browser/device_orientation/data_fetcher.h"
 #include "content/browser/device_orientation/orientation.h"
 #include "content/browser/device_orientation/provider.h"
@@ -61,7 +62,7 @@ class ProviderImpl : public Provider {
                                      const Orientation& orientation2);
 
   enum { kDesiredSamplingIntervalMs = 100 };
-  int SamplingIntervalMs() const;
+  base::TimeDelta SamplingInterval() const;
 
   // The Message Loop on which this object was created.
   // Typically the I/O loop, but may be something else during testing.