InstrProf: Rename ObjectFileCoverageMappingReader to BinaryCoverageReader

The current name is long and confusing. A shorter one is both easier
to understand and easier to work with.

llvm-svn: 230675
diff --git a/llvm/lib/ProfileData/CoverageMapping.cpp b/llvm/lib/ProfileData/CoverageMapping.cpp
index da619e1..915aae3 100644
--- a/llvm/lib/ProfileData/CoverageMapping.cpp
+++ b/llvm/lib/ProfileData/CoverageMapping.cpp
@@ -221,7 +221,7 @@
   auto CounterMappingBuff = MemoryBuffer::getFileOrSTDIN(ObjectFilename);
   if (auto EC = CounterMappingBuff.getError())
     return EC;
-  ObjectFileCoverageMappingReader CoverageReader(CounterMappingBuff.get());
+  BinaryCoverageReader CoverageReader(CounterMappingBuff.get());
   if (auto EC = CoverageReader.readHeader())
     return EC;
   auto ProfileReaderOrErr = IndexedInstrProfReader::create(ProfileFilename);
diff --git a/llvm/lib/ProfileData/CoverageMappingReader.cpp b/llvm/lib/ProfileData/CoverageMappingReader.cpp
index f09ddeb..168115a 100644
--- a/llvm/lib/ProfileData/CoverageMappingReader.cpp
+++ b/llvm/lib/ProfileData/CoverageMappingReader.cpp
@@ -334,7 +334,7 @@
 template <typename T>
 std::error_code readCoverageMappingData(
     SectionData &ProfileNames, StringRef Data,
-    std::vector<ObjectFileCoverageMappingReader::ProfileMappingRecord> &Records,
+    std::vector<BinaryCoverageReader::ProfileMappingRecord> &Records,
     std::vector<StringRef> &Filenames) {
   llvm::DenseSet<T> UniqueFunctionMappingData;
 
@@ -400,7 +400,7 @@
               ProfileNames.get(MappingRecord.FunctionNamePtr,
                                MappingRecord.FunctionNameSize, FunctionName))
         return Err;
-      Records.push_back(ObjectFileCoverageMappingReader::ProfileMappingRecord(
+      Records.push_back(BinaryCoverageReader::ProfileMappingRecord(
           Version, FunctionName, MappingRecord.FunctionHash, Mapping,
           FilenamesBegin, Filenames.size() - FilenamesBegin));
     }
@@ -438,7 +438,7 @@
   return instrprof_error::success;
 }
 
-ObjectFileCoverageMappingReader::ObjectFileCoverageMappingReader(
+BinaryCoverageReader::BinaryCoverageReader(
     std::unique_ptr<MemoryBuffer> &ObjectBuffer)
     : CurrentRecord(0) {
   if (ObjectBuffer->getBuffer().startswith(TestingFormatMagic)) {
@@ -466,7 +466,7 @@
                                       std::move(ObjectBuffer));
 }
 
-std::error_code ObjectFileCoverageMappingReader::readHeader() {
+std::error_code BinaryCoverageReader::readHeader() {
   const ObjectFile *OF = Object.getBinary();
   if (!OF)
     return getError();
@@ -515,7 +515,7 @@
 }
 
 std::error_code
-ObjectFileCoverageMappingReader::readNextRecord(CoverageMappingRecord &Record) {
+BinaryCoverageReader::readNextRecord(CoverageMappingRecord &Record) {
   if (CurrentRecord >= MappingRecords.size())
     return error(instrprof_error::eof);