Add hooks for capturing meaningful text info, gently.

public/web/WebViewClient.h

Index: public/web/WebViewClient.h
diff --git a/public/web/WebViewClient.h b/public/web/WebViewClient.h
index 366aa4c5fa4ca6eb892d3f792197801b60241ace..f1ffa139f0b19a0dc9e1112fa9748786e324eea7 100644
--- a/public/web/WebViewClient.h
+++ b/public/web/WebViewClient.h
@@ -196,6 +196,10 @@ public:
     // unless the view did not need a layout.
     virtual void didUpdateLayout() { }
 
+    // The frame's document finished layout immediately after the parsing finished.
+    // Another way to put it: first frame after DOMContentLoaded is dispatched.
+    virtual void didFirstLayoutAfterFinishedParsing() { }

[nasko, 2015/08/24 22:57:50]

Is there a reason this method isn't on WebFrameClient? Even the comment on it
talks about the "frame's document".

+
     // Return true to swallow the input event if the embedder will start a disambiguation popup
     virtual bool didTapMultipleTargets(const WebSize& pinchViewportOffset, const WebRect& touchRect, const WebVector<WebRect>& targetRects) { return false; }