Blink-side Device Motion API testing.

public/testing/WebTestDelegate.h

Index: public/testing/WebTestDelegate.h
diff --git a/public/testing/WebTestDelegate.h b/public/testing/WebTestDelegate.h
index 571667b7bfbe08492ffd283c49e8cf9a64251d45..8192023c817fe0d0037413a163951ccb86aade65 100644
--- a/public/testing/WebTestDelegate.h
+++ b/public/testing/WebTestDelegate.h
@@ -39,6 +39,7 @@
 #define WEBTESTRUNNER_NEW_HISTORY_CAPTURE
 
 namespace WebKit {
+class WebDeviceMotionData;
 class WebFrame;
 class WebGamepads;
 class WebHistoryItem;
@@ -63,6 +64,8 @@ public:
     // Set the gamepads to return from Platform::sampleGamepads().
     virtual void setGamepadData(const WebKit::WebGamepads&) = 0;
 
+    virtual void setDeviceMotionData(const WebKit::WebDeviceMotionData&) = 0;
+
     // Add a message to the text dump for the layout test.
     virtual void printMessage(const std::string& message) = 0;