Return EphemeralRange from Editor::findRangeOfString.

third_party/WebKit/Source/core/editing/EditingUtilities.h

Index: third_party/WebKit/Source/core/editing/EditingUtilities.h
diff --git a/third_party/WebKit/Source/core/editing/EditingUtilities.h b/third_party/WebKit/Source/core/editing/EditingUtilities.h
index c16896b51e17ce6f15be05a1de5e6b1e0b0a4f80..c478186ac81f7cbf162df12a5816f3805abd402b 100644
--- a/third_party/WebKit/Source/core/editing/EditingUtilities.h
+++ b/third_party/WebKit/Source/core/editing/EditingUtilities.h
@@ -329,6 +329,25 @@ inline bool isAmbiguousBoundaryCharacter(UChar character)
 String stringWithRebalancedWhitespace(const String&, bool startIsStartOfParagraph, bool endIsEndOfParagraph);
 const String& nonBreakingSpaceString();
 
+void collectTextBoundsInRange(
+    Node* start, int startOffset, Node* end, int endOffset, Node* firstNode, Node* stopNode, Node* (*next)(const Node&),
+    Vector<IntRect>& rects, bool useSelectionHeight = false, bool* allFixed = nullptr, bool* someFixed = nullptr);
+
+void collectTextBoundsInRange(
+    Node* start, int startOffset, Node* end, int endOffset, Node* firstNode, Node* stopNode, Node* (*next)(const Node&),
+    Vector<FloatQuad>& rects, bool useSelectionHeight = false, bool* allFixed = nullptr, bool* someFixed = nullptr);
+
+template <typename Strategy, typename BoundsType>
+void collectTextBoundsInRange(
+    const PositionTemplate<Strategy>& start, const PositionTemplate<Strategy>& end, Node* firstNode, Node* stopNode,
+    Vector<BoundsType>& bounds, bool useSelectionHeight = false, bool* allFixed = nullptr, bool* someFixed = nullptr)
+{
+    collectTextBoundsInRange(
+        start.computeContainerNode(), start.computeOffsetInContainerNode(),
+        end.computeContainerNode(), end.computeOffsetInContainerNode(), firstNode, stopNode,
+        &Strategy::next, bounds, useSelectionHeight, allFixed, someFixed);
+}
+
 }
 
 #endif