Move content offset to ViewAndroid

ui/android/window_android.h

Index: ui/android/window_android.h
diff --git a/ui/android/window_android.h b/ui/android/window_android.h
index 54b57fc89fd32abfaa12a482e28615ab6e8635de..ec02245b09d132a737cec546f8115b46d3d686b1 100644
--- a/ui/android/window_android.h
+++ b/ui/android/window_android.h
@@ -44,16 +44,6 @@ class UI_ANDROID_EXPORT WindowAndroid : public ViewAndroid {
 
   static bool RegisterWindowAndroid(JNIEnv* env);
 
-  // The content offset in CSS pixels. It is used together with device scale
-  // factor to translate snapshots to the correct part of the window.
-  void set_content_offset(const gfx::Vector2dF& content_offset) {
-    content_offset_ = content_offset;
-  }
-
-  gfx::Vector2dF content_offset() const {
-    return content_offset_;
-  }
-
   // Compositor callback relay.
   void OnCompositingDidCommit();
 
@@ -108,7 +98,6 @@ class UI_ANDROID_EXPORT WindowAndroid : public ViewAndroid {
 
   base::android::ScopedJavaGlobalRef<jobject> java_window_;
   const int display_id_;
-  gfx::Vector2dF content_offset_;
   WindowAndroidCompositor* compositor_;
 
   base::ObserverList<WindowAndroidObserver> observer_list_;