TextIteratorAlgorithm should not force layout update in constructor.

content/renderer/render_view_browsertest.cc

Index: content/renderer/render_view_browsertest.cc
diff --git a/content/renderer/render_view_browsertest.cc b/content/renderer/render_view_browsertest.cc
index be020d4c0faff2ee32c4420d8ac46ff24f973ec0..783608574e0437cac3406a04bd92dd0e26ee2e83 100644
--- a/content/renderer/render_view_browsertest.cc
+++ b/content/renderer/render_view_browsertest.cc
@@ -1419,6 +1419,7 @@ TEST_F(RenderViewImplTest, ImeComposition) {
       // Retrieve the content of this page and compare it with the expected
       // result.
       const int kMaxOutputCharacters = 128;
+      view()->GetWebView()->updateAllLifecyclePhases();
       base::string16 output = WebFrameContentDumper::dumpFrameTreeAsText(
           GetMainFrame(), kMaxOutputCharacters);
       EXPECT_EQ(base::WideToUTF16(ime_message->result), output);
@@ -1469,6 +1470,7 @@ TEST_F(RenderViewImplTest, OnSetTextDirection) {
     // Copy the document content to std::wstring and compare with the
     // expected result.
     const int kMaxOutputCharacters = 16;
+    view()->GetWebView()->updateAllLifecyclePhases();
     base::string16 output = WebFrameContentDumper::dumpFrameTreeAsText(
         GetMainFrame(), kMaxOutputCharacters);
     EXPECT_EQ(base::WideToUTF16(kTextDirection[i].expected_result), output);
@@ -1799,6 +1801,7 @@ TEST_F(RenderViewImplTest, NavigateSubframe) {
   // Copy the document content to std::wstring and compare with the
   // expected result.
   const int kMaxOutputCharacters = 256;
+  view()->GetWebView()->updateAllLifecyclePhases();
   std::string output = base::UTF16ToUTF8(
       base::StringPiece16(WebFrameContentDumper::dumpFrameTreeAsText(
           GetMainFrame(), kMaxOutputCharacters)));
@@ -1921,6 +1924,7 @@ TEST_F(RendererErrorPageTest, MAYBE_Suppresses) {
   main_frame->didFailProvisionalLoad(web_frame, error,
                                      blink::WebStandardCommit);
   const int kMaxOutputCharacters = 22;
+  view()->GetWebView()->updateAllLifecyclePhases();
   EXPECT_EQ("", base::UTF16ToASCII(base::StringPiece16(
                     WebFrameContentDumper::dumpFrameTreeAsText(
                         web_frame, kMaxOutputCharacters))));
@@ -1956,6 +1960,7 @@ TEST_F(RendererErrorPageTest, MAYBE_DoesNotSuppress) {
   // The error page itself is loaded asynchronously.
   FrameLoadWaiter(main_frame).Wait();
   const int kMaxOutputCharacters = 22;
+  view()->GetWebView()->updateAllLifecyclePhases();
   EXPECT_EQ("A suffusion of yellow.",
             base::UTF16ToASCII(
                 base::StringPiece16(WebFrameContentDumper::dumpFrameTreeAsText(
@@ -1991,6 +1996,7 @@ TEST_F(RendererErrorPageTest, MAYBE_HttpStatusCodeErrorWithEmptyBody) {
   // The error page itself is loaded asynchronously.
   FrameLoadWaiter(main_frame).Wait();
   const int kMaxOutputCharacters = 22;
+  view()->GetWebView()->updateAllLifecyclePhases();
   EXPECT_EQ("A suffusion of yellow.",
             base::UTF16ToASCII(
                 base::StringPiece16(WebFrameContentDumper::dumpFrameTreeAsText(