Bug 1277129 Part 5c - Rename nsHTMLReflowMetrics to ReflowOutput. r=dbaron

This patch is generated by the following script:

function rename() {
find .\
     -type f\
     ! -path "./obj*"\
     ! -path "./.git"\
     ! -path "./.hg"\
     \( -name "*.cpp" -or\
        -name "*.h" \)\
        -exec sed -i -e "s/$1/$2/g" "{}" \;
}

rename "nsHTMLReflowMetrics" "ReflowOutput"

MozReview-Commit-ID: 2HBb7DkooH5

layout/forms/nsHTMLButtonControlFrame.h

@@ -35,7 +35,7 @@ public:
   virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
 
   virtual void Reflow(nsPresContext*           aPresContext,
-                      nsHTMLReflowMetrics&     aDesiredSize,
+                      ReflowOutput&     aDesiredSize,
                       const ReflowInput& aReflowState,
                       nsReflowStatus&          aStatus) override;
 
@@ -101,7 +101,7 @@ protected:
   // Reflows the button's sole child frame, and computes the desired size
   // of the button itself from the results.
   void ReflowButtonContents(nsPresContext* aPresContext,
-                            nsHTMLReflowMetrics& aButtonDesiredSize,
+                            ReflowOutput& aButtonDesiredSize,
                             const ReflowInput& aButtonReflowState,
                             nsIFrame* aFirstKid);