[CodeView] Rename ModuleDebugFragment -> DebugSubsection.

This is more concise, and matches the terminology used in other
parts of the codebase more closely.

llvm-svn: 304218
diff --git a/llvm/lib/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.cpp b/llvm/lib/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.cpp
index 867864e..b28ec2f 100644
--- a/llvm/lib/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.cpp
+++ b/llvm/lib/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.cpp
@@ -10,7 +10,7 @@
 #include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.h"
 
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/DebugInfo/CodeView/ModuleDebugFragmentRecord.h"
+#include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
 #include "llvm/DebugInfo/MSF/MSFBuilder.h"
 #include "llvm/DebugInfo/MSF/MSFCommon.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
@@ -170,8 +170,8 @@
 }
 
 void DbiModuleDescriptorBuilder::addC13Fragment(
-    std::unique_ptr<ModuleDebugLineFragment> Lines) {
-  ModuleDebugLineFragment &Frag = *Lines;
+    std::unique_ptr<DebugLinesSubsection> Lines) {
+  DebugLinesSubsection &Frag = *Lines;
 
   // File Checksums have to come first, so push an empty entry on if this
   // is the first.
@@ -180,12 +180,12 @@
 
   this->LineInfo.push_back(std::move(Lines));
   C13Builders.push_back(
-      llvm::make_unique<ModuleDebugFragmentRecordBuilder>(Frag.kind(), Frag));
+      llvm::make_unique<DebugSubsectionRecordBuilder>(Frag.kind(), Frag));
 }
 
 void DbiModuleDescriptorBuilder::addC13Fragment(
-    std::unique_ptr<codeview::ModuleDebugInlineeLineFragment> Inlinees) {
-  ModuleDebugInlineeLineFragment &Frag = *Inlinees;
+    std::unique_ptr<codeview::DebugInlineeLinesSubsection> Inlinees) {
+  DebugInlineeLinesSubsection &Frag = *Inlinees;
 
   // File Checksums have to come first, so push an empty entry on if this
   // is the first.
@@ -194,17 +194,17 @@
 
   this->Inlinees.push_back(std::move(Inlinees));
   C13Builders.push_back(
-      llvm::make_unique<ModuleDebugFragmentRecordBuilder>(Frag.kind(), Frag));
+      llvm::make_unique<DebugSubsectionRecordBuilder>(Frag.kind(), Frag));
 }
 
 void DbiModuleDescriptorBuilder::setC13FileChecksums(
-    std::unique_ptr<ModuleDebugFileChecksumFragment> Checksums) {
+    std::unique_ptr<DebugChecksumsSubsection> Checksums) {
   assert(!ChecksumInfo && "Can't have more than one checksum info!");
 
   if (C13Builders.empty())
     C13Builders.push_back(nullptr);
 
   ChecksumInfo = std::move(Checksums);
-  C13Builders[0] = llvm::make_unique<ModuleDebugFragmentRecordBuilder>(
+  C13Builders[0] = llvm::make_unique<DebugSubsectionRecordBuilder>(
       ChecksumInfo->kind(), *ChecksumInfo);
 }