Add WebWidgetTestProxy.

content/public/test/layouttest_support.h

Index: content/public/test/layouttest_support.h
diff --git a/content/public/test/layouttest_support.h b/content/public/test/layouttest_support.h
index a188bb78bdb883280ff8a2582f393df59b12f817..5451e8576950cb41b6024f50f5c362f4b86417ca 100644
--- a/content/public/test/layouttest_support.h
+++ b/content/public/test/layouttest_support.h
@@ -25,6 +25,7 @@ class WebGamepads;
 class WebLayer;
 struct WebSize;
 class WebView;
+class WebWidget;
 class WebURLResponse;
 }
 
@@ -35,6 +36,7 @@ class BluetoothAdapter;
 namespace test_runner {
 class WebFrameTestProxyBase;
 class WebViewTestProxyBase;
+class WebWidgetTestProxyBase;
 }
 
 namespace content {
@@ -43,6 +45,7 @@ class PageState;
 class RenderFrame;
 class RendererGamepadProvider;
 class RenderView;
+class RenderWidget;
 
 // Turn the browser process into layout test mode.
 void EnableBrowserLayoutTestMode();
@@ -65,16 +68,23 @@ test_runner::WebViewTestProxyBase* GetWebViewTestProxyBase(
 test_runner::WebFrameTestProxyBase* GetWebFrameTestProxyBase(
     RenderFrame* render_frame);
 
-// Enable injecting of a WebViewTestProxy between WebViews and RenderViews
-// and WebFrameTestProxy between WebFrames and RenderFrames.
+// Enable injecting of a WebViewTestProxy between WebViews and RenderViews,
+// WebWidgets and RenderWidgets and WebFrameTestProxy between WebFrames and

[Łukasz Anforowicz, 2016/08/02 20:38:12]

s/WebWidgets and RenderWidgets/WebWidgetTestProxy between WebWidgets and
RenderWidgets/
?

I think this would be accurate even today, with the existing inheritance
relationship between RenderWidget and RenderView, right?

[lfg, 2016/08/02 22:27:21]

Done.
Well, I guess it depends what do you mean by correct. The RenderViews will get
WebViewTestProxies, but not WebWidgetTestProxies directly. That's why I had to
make WebViewTestProxyBase inheriting from WebWidgetTestProxyBase.

+// RenderFrames.
 // |view_proxy_creation_callback| is invoked after creating WebViewTestProxy.
+// |widget_proxy_creation_callback| is invoked after creating
+// WebWidgetTestProxy.
 // |frame_proxy_creation_callback| is called after creating WebFrameTestProxy.
 using ViewProxyCreationCallback =
     base::Callback<void(RenderView*, test_runner::WebViewTestProxyBase*)>;
+using WidgetProxyCreationCallback =
+    base::Callback<void(blink::WebWidget*,
+                        test_runner::WebWidgetTestProxyBase*)>;
 using FrameProxyCreationCallback =
     base::Callback<void(RenderFrame*, test_runner::WebFrameTestProxyBase*)>;
 void EnableWebTestProxyCreation(
     const ViewProxyCreationCallback& view_proxy_creation_callback,
+    const WidgetProxyCreationCallback& widget_proxy_creation_callback,
     const FrameProxyCreationCallback& frame_proxy_creation_callback);
 
 typedef base::Callback<void(const blink::WebURLResponse& response,