blink_gc_plugin: retire overloaded traceImpl detection and handling.

tools/clang/blink_gc_plugin/Config.cpp

Index: tools/clang/blink_gc_plugin/Config.cpp
diff --git a/tools/clang/blink_gc_plugin/Config.cpp b/tools/clang/blink_gc_plugin/Config.cpp
index bb32ad449d37317b931de3e36d37bd8b02172937..fa00782cc6b79f2c81d15840f1ea24ef36aebca6 100644
--- a/tools/clang/blink_gc_plugin/Config.cpp
+++ b/tools/clang/blink_gc_plugin/Config.cpp
@@ -14,10 +14,8 @@ using namespace clang;
 namespace legacy {
 const char kCreateName[] = "create";
 const char kTraceName[] = "trace";
-const char kTraceImplName[] = "traceImpl";
 const char kFinalizeName[] = "finalizeGarbageCollectedObject";
 const char kTraceAfterDispatchName[] = "traceAfterDispatch";
-const char kTraceAfterDispatchImplName[] = "traceAfterDispatchImpl";
 const char kRegisterWeakMembersName[] = "registerWeakMembers";
 const char kAdjustAndMarkName[] = "adjustAndMark";
 const char kIsHeapObjectAliveName[] = "isHeapObjectAlive";
@@ -26,10 +24,8 @@ const char kIsHeapObjectAliveName[] = "isHeapObjectAlive";
 const char kNewOperatorName[] = "operator new";
 const char* kCreateName = "Create";
 const char* kTraceName = "Trace";
-const char* kTraceImplName = "TraceImpl";
 const char* kFinalizeName = "FinalizeGarbageCollectedObject";
 const char* kTraceAfterDispatchName = "TraceAfterDispatch";
-const char* kTraceAfterDispatchImplName = "TraceAfterDispatchImpl";
 const char* kRegisterWeakMembersName = "RegisterWeakMembers";
 const char kHeapAllocatorName[] = "HeapAllocator";
 const char kTraceIfNeededName[] = "TraceIfNeeded";
@@ -46,10 +42,8 @@ const char kReverseIteratorName[] = "reverse_iterator";
 void Config::UseLegacyNames() {
   kCreateName = legacy::kCreateName;
   kTraceName = legacy::kTraceName;
-  kTraceImplName = legacy::kTraceImplName;
   kFinalizeName = legacy::kFinalizeName;
   kTraceAfterDispatchName = legacy::kTraceAfterDispatchName;
-  kTraceAfterDispatchImplName = legacy::kTraceAfterDispatchImplName;
   kRegisterWeakMembersName = legacy::kRegisterWeakMembersName;
   kAdjustAndMarkName = legacy::kAdjustAndMarkName;
   kIsHeapObjectAliveName = legacy::kIsHeapObjectAliveName;