Don't include LineLayoutItem.h from SVGTextContentElement.h.

Review-Url: https://codereview.chromium.org/2342203004
Cr-Commit-Position: refs/heads/master@{#419274}

third_party/WebKit/Source/core/svg/SVGTextContentElement.cpp

@@ -30,6 +30,7 @@
 #include "core/editing/FrameSelection.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/UseCounter.h"
+#include "core/layout/api/LineLayoutItem.h"
 #include "core/layout/svg/SVGTextQuery.h"
 
 namespace blink {
@@ -249,7 +250,7 @@ bool SVGTextContentElement::selfHasRelativeLengths() const
     return true;
 }
 
-SVGTextContentElement* SVGTextContentElement::elementFromLineLayoutItem(LineLayoutItem lineLayoutItem)
+SVGTextContentElement* SVGTextContentElement::elementFromLineLayoutItem(const LineLayoutItem& lineLayoutItem)
 {
     if (!lineLayoutItem || (!lineLayoutItem.isSVGText() && !lineLayoutItem.isSVGInline()))
         return nullptr;

third_party/WebKit/Source/core/svg/SVGTextContentElement.h

@@ -21,7 +21,6 @@
 #ifndef SVGTextContentElement_h
 #define SVGTextContentElement_h
 
-#include "core/layout/api/LineLayoutItem.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedEnumeration.h"
 #include "core/svg/SVGAnimatedLength.h"
@@ -32,6 +31,7 @@
 namespace blink {
 
 class ExceptionState;
+class LineLayoutItem;
 
 enum SVGLengthAdjustType {
     SVGLengthAdjustUnknown,
@@ -60,7 +60,7 @@ public:
     int getCharNumAtPosition(SVGPointTearOff*, ExceptionState&);
     void selectSubString(unsigned charnum, unsigned nchars, ExceptionState&);
 
-    static SVGTextContentElement* elementFromLineLayoutItem(const LineLayoutItem);
+    static SVGTextContentElement* elementFromLineLayoutItem(const LineLayoutItem&);
 
     SVGAnimatedLength* textLength() { return m_textLength.get(); }
     bool textLengthIsSpecifiedByUser() { return m_textLengthIsSpecifiedByUser; }