TextIteratorAlgorithm should not force layout update in constructor.

third_party/WebKit/Source/web/tests/WebViewTest.cpp

Index: third_party/WebKit/Source/web/tests/WebViewTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebViewTest.cpp b/third_party/WebKit/Source/web/tests/WebViewTest.cpp
index 791db5b6877200ddc7d2eaecbaceca527a188681..3c4c8e2c6a27e0fbea3670fcb1fc190a5a14c292 100644
--- a/third_party/WebKit/Source/web/tests/WebViewTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebViewTest.cpp
@@ -2210,10 +2210,12 @@ TEST_F(WebViewTest, ChangeDisplayMode)
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8("display_mode.html"));
     WebView* webView = m_webViewHelper.initializeAndLoad(m_baseURL + "display_mode.html", true);
 
+    webView->updateAllLifecyclePhases();
     std::string content = WebFrameContentDumper::dumpFrameTreeAsText(webView->mainFrame()->toWebLocalFrame(), 21).utf8();
     EXPECT_EQ("regular-ui", content);
 
     webView->setDisplayMode(WebDisplayModeMinimalUi);
+    webView->updateAllLifecyclePhases();
     content = WebFrameContentDumper::dumpFrameTreeAsText(webView->mainFrame()->toWebLocalFrame(), 21).utf8();
     EXPECT_EQ("minimal-ui", content);
     m_webViewHelper.reset();
@@ -2685,6 +2687,7 @@ TEST_F(WebViewTest, CompareSelectAllToContentAsText)
     std::string actual = frame->selectionAsText().utf8();
 
     const int kMaxOutputCharacters = 1024;
+    webView->updateAllLifecyclePhases();
     std::string expected = WebFrameContentDumper::dumpFrameTreeAsText(frame, kMaxOutputCharacters).utf8();
     EXPECT_EQ(expected, actual);
 }