Fix RenderWidgetHostViewAuraTest failure on devices with little memory

content/browser/renderer_host/renderer_frame_manager.h

Index: content/browser/renderer_host/renderer_frame_manager.h
diff --git a/content/browser/renderer_host/renderer_frame_manager.h b/content/browser/renderer_host/renderer_frame_manager.h
index 8a789ef22cc6d876dd432b5539cd7aac701d7840..1b1de045720d879e27713592b59bcce05fd8301a 100644
--- a/content/browser/renderer_host/renderer_frame_manager.h
+++ b/content/browser/renderer_host/renderer_frame_manager.h
@@ -41,6 +41,9 @@ class CONTENT_EXPORT RendererFrameManager {
   size_t GetMaxNumberOfSavedFrames() const;
 
   // For testing only
+  void set_max_number_of_saved_frames(size_t max_number_of_saved_frames) {
+    max_number_of_saved_frames_ = max_number_of_saved_frames;
+  }
   void set_max_handles(float max_handles) { max_handles_ = max_handles; }
 
  private: