[llvm-cov] Pass LineCoverageStats in SourceCoverageView. NFC.

Instead of copying around the wrapped segment and the list of line
segments, just pass a reference to a LineCoverageStats object. This
simplifies the interface. It also makes an upcoming change to suppress
distracting highlights possible.

llvm-svn: 316108
diff --git a/llvm/tools/llvm-cov/SourceCoverageViewText.h b/llvm/tools/llvm-cov/SourceCoverageViewText.h
index 5cf7caf..cf96aaf 100644
--- a/llvm/tools/llvm-cov/SourceCoverageViewText.h
+++ b/llvm/tools/llvm-cov/SourceCoverageViewText.h
@@ -48,14 +48,11 @@
 
   void renderViewDivider(raw_ostream &OS, unsigned ViewDepth) override;
 
-  void renderLine(raw_ostream &OS, LineRef L,
-                  const coverage::CoverageSegment *WrappedSegment,
-                  CoverageSegmentArray Segments, unsigned ExpansionCol,
-                  unsigned ViewDepth) override;
+  void renderLine(raw_ostream &OS, LineRef L, const LineCoverageStats &LCS,
+                  unsigned ExpansionCol, unsigned ViewDepth) override;
 
   void renderExpansionSite(raw_ostream &OS, LineRef L,
-                           const coverage::CoverageSegment *WrappedSegment,
-                           CoverageSegmentArray Segments, unsigned ExpansionCol,
+                           const LineCoverageStats &LCS, unsigned ExpansionCol,
                            unsigned ViewDepth) override;
 
   void renderExpansionView(raw_ostream &OS, ExpansionView &ESV,
@@ -69,7 +66,7 @@
 
   void renderLineNumberColumn(raw_ostream &OS, unsigned LineNo) override;
 
-  void renderRegionMarkers(raw_ostream &OS, CoverageSegmentArray Segments,
+  void renderRegionMarkers(raw_ostream &OS, const LineCoverageStats &Line,
                            unsigned ViewDepth) override;
 
   void renderTitle(raw_ostream &OS, StringRef Title) override;