Restore a collapsed leading space of text used for line break

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

Index: third_party/WebKit/Source/core/editing/iterators/TextIterator.cpp
diff --git a/third_party/WebKit/Source/core/editing/iterators/TextIterator.cpp b/third_party/WebKit/Source/core/editing/iterators/TextIterator.cpp
index 62273a380a729eed99f1835c90cbe03d65a22026..dfc13920a857131231f77c5600eb95b8daa306d6 100644
--- a/third_party/WebKit/Source/core/editing/iterators/TextIterator.cpp
+++ b/third_party/WebKit/Source/core/editing/iterators/TextIterator.cpp
@@ -619,11 +619,12 @@ void TextIteratorAlgorithm<Strategy>::handleTextBox()
                                 ++subrunEnd;
                         }
                         // For leading space.
-                        if (m_textBox->root().prevRootBox() && m_textBox->root().firstChild() == m_textBox) {
+                        if (!(m_behavior & TextIteratorEmitsImageAltText) && !(m_behavior & TextIteratorDoesNotBreakAtReplacedElement) && !(m_behavior & TextIteratorForInnerText)

[yosin_UTC9, 2016/09/13 02:00:30]

Could you use |emitsImageAltText()| and introduce private inline functions for
others like others?

[joone, 2016/09/14 04:04:35]

Done.

+                            && m_textBox->root().prevRootBox() && m_textBox->root().firstChild() == m_textBox) {
                             InlineBox* lastChildOfPrevRoot = m_textBox->root().prevRootBox()->lastChild();
-                            if (!lastChildOfPrevRoot->isText() && !lastChildOfPrevRoot->getLineLayoutItem().isBR()
+                            if (m_textBox->getLineLayoutItem() != lastChildOfPrevRoot->getLineLayoutItem() && !lastChildOfPrevRoot->getLineLayoutItem().isBR()
                                 && !lastChildOfPrevRoot->isInlineFlowBox()) {
-                                if (runStart > 0 && str[0] == ' ')
+                                if (runStart > 0 && str[0] == ' ' && str[1] != ' ')
                                     --runStart;
                             }
                         }