Plumbing blink::Interface{Provider|Registry} through WebLocalFrame's constructor.

third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp

Index: third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp b/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp
index dbc9cc1ee2676ad7c05ba896a4398fffb299102d..4aa75a320500aed51301bfd30136d4bde626ba0f 100644
--- a/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp
+++ b/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp
@@ -299,8 +299,8 @@ void WebEmbeddedWorkerImpl::prepareShadowPageForLoader() {
   settings->setStrictMixedContentChecking(true);
   settings->setAllowRunningOfInsecureContent(false);
   settings->setDataSaverEnabled(m_workerStartData.dataSaverEnabled);
-  m_mainFrame = toWebLocalFrameImpl(
-      WebLocalFrame::create(WebTreeScopeType::Document, this));
+  m_mainFrame = toWebLocalFrameImpl(WebLocalFrame::create(
+      WebTreeScopeType::Document, this, nullptr, nullptr));

[Łukasz Anforowicz, 2017/01/23 23:38:16]

blink::WebEmbeddedWorkerImpl doesn't override interface{Provider|Registry}, so
it just inherits the default implementation from blink::WebFrameClient which
used to return nullptr.

   m_webView->setMainFrame(m_mainFrame.get());
   m_mainFrame->setDevToolsAgentClient(this);