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Source/WebKit/chromium/public/WebFrame.h

Index: Source/WebKit/chromium/public/WebFrame.h
diff --git a/Source/WebKit/chromium/public/WebFrame.h b/Source/WebKit/chromium/public/WebFrame.h
index 86fdec2e3b426490d291fd951e1071be321ab11b..0ec7ba5ac99333b9a74877ebb6d56798f0b1bb69 100644
--- a/Source/WebKit/chromium/public/WebFrame.h
+++ b/Source/WebKit/chromium/public/WebFrame.h
@@ -67,6 +67,7 @@ class WebURLRequest;
 class WebView;
 struct WebConsoleMessage;
 struct WebFindOptions;
+struct WebPoint;
 struct WebRect;
 struct WebScriptSource;
 struct WebSize;
@@ -370,8 +371,15 @@ public:
 
     virtual WebRange markedRange() const = 0;
 
+    // Returns the frame rectangle in window coordinate space of the given text
+    // range.
     virtual bool firstRectForCharacterRange(unsigned location, unsigned length, WebRect&) const = 0;
 
+    // Returns the index of a character in the Frame's text stream at the given
+    // point. The point is in the window coordinate space. Will return
+    // WTF::notFound if the point is invalid.
+    virtual unsigned characterIndexForPoint(const WebPoint& point) const = 0;
+
     // Supports commands like Undo, Redo, Cut, Copy, Paste, SelectAll,
     // Unselect, etc. See EditorCommand.cpp for the full list of supported
     // commands.