Implements part of Device Motion in the Renderer

content/browser/device_orientation/accelerometer_mac.cc

Index: content/browser/device_orientation/accelerometer_mac.cc
diff --git a/content/browser/device_orientation/accelerometer_mac.cc b/content/browser/device_orientation/accelerometer_mac.cc
index d47f2dc9b96e46a786840499774f646b9647df0a..6133a54fdc2dfa794373f3714bc4d48e15f021f8 100644
--- a/content/browser/device_orientation/accelerometer_mac.cc
+++ b/content/browser/device_orientation/accelerometer_mac.cc
@@ -24,6 +24,11 @@ AccelerometerMac::~AccelerometerMac() {
 AccelerometerMac::AccelerometerMac() {
 }
 
+bool AccelerometerMac::GetMotion(Motion* motion) {
+  // TODO(aousterh): implement this
+  return false;
+}
+
 //  Retrieve per-axis orientation values.
 //
 //  Axes and angles are defined according to the W3C DeviceOrientation Draft.