Avoid inline capacity of WordMeasurements

third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp b/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
index 05a3d2d1e043b91055bda372dfd41b54f984bc14..55223fbd5d9cf90b717ffb3a9f667f4d65add31c 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp
@@ -1087,6 +1087,10 @@ void LayoutBlockFlow::layoutRunsAndFloatsInRange(
 
   LineBreaker lineBreaker(LineLayoutBlockFlow(this));
 
+  // We avoid inline capacity to save the stack space.
+  WordMeasurements wordMeasurements;
+  wordMeasurements.reserveInitialCapacity(64);
+
   while (!endOfLine.atEnd()) {
     // The runs from the previous line should have been cleaned up.
     ASSERT(!resolver.runs().runCount());
@@ -1115,7 +1119,7 @@ void LayoutBlockFlow::layoutRunsAndFloatsInRange(
     FloatingObject* lastFloatFromPreviousLine =
         (containsFloats()) ? m_floatingObjects->set().back().get() : 0;
 
-    WordMeasurements wordMeasurements;
+    wordMeasurements.clear();
     endOfLine = lineBreaker.nextLineBreak(resolver, layoutState.lineInfo(),
                                           layoutTextInfo, wordMeasurements);
     layoutTextInfo.m_lineBreakIterator.resetPriorContext();