Make content_browsertests for Chrome on Android running with valid Views

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index c249782b86324b842ef4a2404474a232b0702b6e..d1ec1cf513b87c9499017165141450ad085e2281 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -404,6 +404,11 @@ void RenderWidgetHostViewAndroid::SetSize(const gfx::Size& size) {
   default_size_ = size;
 }
 
+void RenderWidgetHostViewAndroid::GenerateNewFrameForTesting() {
+  if (content_view_core_)
+    content_view_core_->GenerateNewFrameForTesting();
+}
+
 void RenderWidgetHostViewAndroid::SetBounds(const gfx::Rect& rect) {
   SetSize(rect.size());
 }
@@ -1102,7 +1107,7 @@ void RenderWidgetHostViewAndroid::ComputeContentsSize(
   content_size_in_layer_ = gfx::ToCeiledSize(gfx::ScaleSize(
       frame_metadata.scrollable_viewport_size,
       frame_metadata.device_scale_factor * frame_metadata.page_scale_factor));
-
+  last_page_scale_factor_ = frame_metadata.page_scale_factor;
 }
 
 void RenderWidgetHostViewAndroid::InternalSwapCompositorFrame(