Restore a collapsed leading space of text used for line break

third_party/WebKit/Source/core/editing/iterators/TextIteratorTest.cpp

Index: third_party/WebKit/Source/core/editing/iterators/TextIteratorTest.cpp
diff --git a/third_party/WebKit/Source/core/editing/iterators/TextIteratorTest.cpp b/third_party/WebKit/Source/core/editing/iterators/TextIteratorTest.cpp
index 9e6a5bdf22a990d3b502b0878e3894f16a2807e8..7a5311cb2801b7763741f37dd9c21b12af487d68 100644
--- a/third_party/WebKit/Source/core/editing/iterators/TextIteratorTest.cpp
+++ b/third_party/WebKit/Source/core/editing/iterators/TextIteratorTest.cpp
@@ -158,6 +158,15 @@ TEST_F(TextIteratorTest, EnteringTextControlsWithOptionComplex)
     EXPECT_EQ("[][\n][Beginning of range][\n][][\n][Under DOM nodes][\n][][\n][End of range]", iterate<FlatTree>(TextIteratorEntersTextControls));
 }
 
+TEST_F(TextIteratorTest, PreserveLeadingSpace)
+{
+    static const char* input = "<div style='width: 2em;'><b><i>foo</i></b> bar</div>";
+    setBodyContent(input);
+    EXPECT_EQ("[foo][ ][bar]", iterate<DOMTree>(TextIteratorEmitsImageAltText));
+    EXPECT_EQ("[foo][ ][bar]", iterate<DOMTree>(TextIteratorDoesNotBreakAtReplacedElement));
+    EXPECT_EQ("[foo][ ][bar]", iterate<DOMTree>(TextIteratorForInnerText));
+}
+
 TEST_F(TextIteratorTest, NotEnteringShadowTree)
 {
     static const char* bodyContent = "<div>Hello, <span id='host'>text</span> iterator.</div>";