Make content_browsertests for Chrome on Android running with valid Views

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index 0c6a5fc377476c6d0d30339d6be021a96c9f155e..1f65fd1d2d88e0e3b2adc7ca5a9754901c611715 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -266,6 +266,9 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
 
   static void OnContextLost();
 
+  void GenerateNewFrameForTesting();
+  float last_page_scale_factor() { return last_page_scale_factor_; }
+
  private:
   void RunAckCallbacks();
 
@@ -408,6 +411,8 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   // The last scroll offset of the view.
   gfx::Vector2dF last_scroll_offset_;
 
+  float last_page_scale_factor_;
+
   base::WeakPtrFactory<RenderWidgetHostViewAndroid> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);