DevTools: [CSS] Add CSS.editRangeInStyleSheetText() to the protocol

Source/core/inspector/InspectorStyleSheet.cpp

Index: Source/core/inspector/InspectorStyleSheet.cpp
diff --git a/Source/core/inspector/InspectorStyleSheet.cpp b/Source/core/inspector/InspectorStyleSheet.cpp
index 14911cfc3fb87695a7a01c144ddae10411eff95d..0b76b5be7c8f57a7dce00026a8271a66c0db44f3 100644
--- a/Source/core/inspector/InspectorStyleSheet.cpp
+++ b/Source/core/inspector/InspectorStyleSheet.cpp
@@ -1557,6 +1557,16 @@ InspectorCSSId InspectorStyleSheet::ruleId(CSSStyleRule* rule) const
     return ruleOrStyleId(rule->style());
 }
 
+bool InspectorStyleSheet::lineNumberAndColumnToOffset(unsigned lineNumber, unsigned columnNumber, unsigned* offset) const
+{
+    OwnPtr<Vector<unsigned> > endings = lineEndings();
+    if (lineNumber >= endings->size())
+        return false;
+    TextPosition position(OrdinalNumber::fromZeroBasedInt(lineNumber), OrdinalNumber::fromZeroBasedInt(columnNumber));
+    *offset = position.toOffsetPosition(*endings).zeroBasedInt();

[apavlov, 2014/02/21 14:37:55]

This should check for columnNumber-is-beyond-last-char-in-last-line here, too

[lushnikov, 2014/02/23 16:07:07]

Added check that columnNumber is beyond the amount of characters in the line.

+    return true;
+}
+
 void InspectorStyleSheet::revalidateStyle(CSSStyleDeclaration* pageStyle)
 {
     if (m_isRevalidating)