Make InlineBox::renderer() and related subclass methods return reference.

Source/core/rendering/RenderDeprecatedFlexibleBox.cpp

Index: Source/core/rendering/RenderDeprecatedFlexibleBox.cpp
diff --git a/Source/core/rendering/RenderDeprecatedFlexibleBox.cpp b/Source/core/rendering/RenderDeprecatedFlexibleBox.cpp
index 71658a1b74afb1a6a52edc2b6d6d45dafb9a61dc..036238f21d463c90b986b8cd597a695dbb7be452 100644
--- a/Source/core/rendering/RenderDeprecatedFlexibleBox.cpp
+++ b/Source/core/rendering/RenderDeprecatedFlexibleBox.cpp
@@ -944,7 +944,7 @@ void RenderDeprecatedFlexibleBox::applyLineClamp(FlexBoxIterator& iterator, bool
         // Get ellipsis width, and if the last child is an anchor, it will go after the ellipsis, so add in a space and the anchor width too
         LayoutUnit totalWidth;
         InlineBox* anchorBox = lastLine->lastChild();
-        if (anchorBox && anchorBox->renderer()->style()->isLink())
+        if (anchorBox && anchorBox->renderer().style()->isLink())
             totalWidth = anchorBox->logicalWidth() + font.width(RenderBlockFlow::constructTextRun(this, font, ellipsisAndSpace, 2, style(), style()->direction()));
         else {
             anchorBox = 0;
@@ -952,8 +952,8 @@ void RenderDeprecatedFlexibleBox::applyLineClamp(FlexBoxIterator& iterator, bool
         }
 
         // See if this width can be accommodated on the last visible line
-        RenderBlockFlow* destBlock = lastVisibleLine->block();
-        RenderBlockFlow* srcBlock = lastLine->block();
+        RenderBlockFlow* destBlock = &lastVisibleLine->block();

[Inactive, 2014/02/28 02:28:19]

RenderBlockFlow& destBlock = lastVisibleLine->block();

[ostap, 2014/02/28 08:29:14]

Done.

+        RenderBlockFlow* srcBlock = &lastLine->block();

[Inactive, 2014/02/28 02:28:19]

Ditto

[ostap, 2014/02/28 08:29:14]

Done.

 
         // FIXME: Directions of src/destBlock could be different from our direction and from one another.
         if (!srcBlock->style()->isLeftToRightDirection())