Move the Compiler to CompilerDriver.

Change-Id: I0bb4d3c2b79b45fd8ef180688c767712b0c55978
diff --git a/src/compiler_llvm/jni_compiler.h b/src/compiler_llvm/jni_compiler.h
index 4648180..071229c 100644
--- a/src/compiler_llvm/jni_compiler.h
+++ b/src/compiler_llvm/jni_compiler.h
@@ -22,7 +22,7 @@
 namespace art {
   class ClassLinker;
   class CompiledMethod;
-  class Compiler;
+  class CompilerDriver;
   class DexFile;
   class OatCompilationUnit;
   namespace mirror {
@@ -52,7 +52,7 @@
 class JniCompiler {
  public:
   JniCompiler(LlvmCompilationUnit* cunit,
-              Compiler const& compiler,
+              const CompilerDriver& driver,
               OatCompilationUnit* oat_compilation_unit);
 
   CompiledMethod* Compile();
@@ -65,7 +65,7 @@
 
  private:
   LlvmCompilationUnit* cunit_;
-  const Compiler* compiler_;
+  const CompilerDriver* const driver_;
 
   llvm::Module* module_;
   llvm::LLVMContext* context_;