[compiler] Rename OptimizingCompileJob to CompilationJob.

src/crankshaft/hydrogen.h

Index: src/crankshaft/hydrogen.h
diff --git a/src/crankshaft/hydrogen.h b/src/crankshaft/hydrogen.h
index 30655305f88c76b1ce60f6ff16bfd0fcf0f37e55..27f368f0f9547d506cb1e710a322151845421c46 100644
--- a/src/crankshaft/hydrogen.h
+++ b/src/crankshaft/hydrogen.h
@@ -30,12 +30,10 @@ class LAllocator;
 class LChunk;
 class LiveRange;
 
-class HCompilationJob final : public OptimizedCompileJob {
+class HCompilationJob final : public CompilationJob {
  public:
   explicit HCompilationJob(CompilationInfo* info)
-      : OptimizedCompileJob(info, "Crankshaft"),
-        graph_(nullptr),
-        chunk_(nullptr) {}
+      : CompilationJob(info, "Crankshaft"), graph_(nullptr), chunk_(nullptr) {}
 
  protected:
   virtual Status CreateGraphImpl();