Split content script injections into multiple tasks

third_party/WebKit/Source/web/LocalFrameClientImpl.cpp

Index: third_party/WebKit/Source/web/LocalFrameClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/LocalFrameClientImpl.cpp b/third_party/WebKit/Source/web/LocalFrameClientImpl.cpp
index 73c1b65eae7e909e3c67d43e77b7aad96d22c5d4..f7e3fa65f0cee23e8055b00ebeb2cd64bc68f3ae 100644
--- a/third_party/WebKit/Source/web/LocalFrameClientImpl.cpp
+++ b/third_party/WebKit/Source/web/LocalFrameClientImpl.cpp
@@ -190,6 +190,12 @@ void LocalFrameClientImpl::runScriptsAtDocumentReady(bool documentIsEmpty) {
   // The callback might have deleted the frame, do not use |this|!
 }
 
+void LocalFrameClientImpl::runScriptsAtDocumentIdle() {
+  if (m_webFrame->client())
+    m_webFrame->client()->runScriptsAtDocumentIdle(m_webFrame);
+  // The callback might have deleted the frame, do not use |this|!
+}
+
 void LocalFrameClientImpl::didCreateScriptContext(
     v8::Local<v8::Context> context,
     int worldId) {