Remove Sync GetPose VRService call, implement VRVSyncProvider

chrome/android/java/src/org/chromium/chrome/browser/vr_shell/NonPresentingGvrContext.java

Index: chrome/android/java/src/org/chromium/chrome/browser/vr_shell/NonPresentingGvrContext.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/NonPresentingGvrContext.java b/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/NonPresentingGvrContext.java
index 26f5e00d1cf7d14213811f4763eeba8b3feb4e9c..a2565b8533f361d0c798621c91a48f44c40f730f 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/NonPresentingGvrContext.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/vr_shell/NonPresentingGvrContext.java
@@ -15,16 +15,6 @@ public interface NonPresentingGvrContext {
     long getNativeGvrContext();
 
     /**
-     * Must be called when activity resumes.
-     */
-    void resume();
-
-    /**
-     * Must be called when activity pauses.
-     */
-    void pause();
-
-    /**
      * Shutdown the native gvr context.
      */
     void shutdown();