Separate CompilationInfo into its own file.

src/compiler/code-generator.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_CODE_GENERATOR_H_
 #define V8_COMPILER_CODE_GENERATOR_H_
 
-#include "src/compiler.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/instruction.h"
 #include "src/compiler/unwinding-info-writer.h"
 #include "src/deoptimizer.h"
 #include "src/macro-assembler.h"
 #include "src/safepoint-table.h"
 #include "src/source-position-table.h"
 
 namespace v8 {
 namespace internal {
+
+class CompilationInfo;
+
 namespace compiler {
 
 // Forward declarations.
 class DeoptimizationExit;
 class FrameAccessState;
 class Linkage;
 class OutOfLineCode;
 
 struct BranchInfo {
   FlagsCondition condition;
@@ skipping 22 matching lines @@
  public:
   explicit CodeGenerator(Frame* frame, Linkage* linkage,
                          InstructionSequence* code, CompilationInfo* info);
 
   // Generate native code.
   Handle<Code> GenerateCode();
 
   InstructionSequence* code() const { return code_; }
   FrameAccessState* frame_access_state() const { return frame_access_state_; }
   const Frame* frame() const { return frame_access_state_->frame(); }
-  Isolate* isolate() const { return info_->isolate(); }
+  Isolate* isolate() const;
   Linkage* linkage() const { return linkage_; }
 
   Label* GetLabel(RpoNumber rpo) { return &labels_[rpo.ToSize()]; }
 
  private:
   MacroAssembler* masm() { return &masm_; }
   GapResolver* resolver() { return &resolver_; }
   SafepointTableBuilder* safepoints() { return &safepoints_; }
   Zone* zone() const { return code()->zone(); }
   CompilationInfo* info() const { return info_; }
@@ skipping 208 matching lines @@
   OutOfLineCode* ools_;
   int osr_pc_offset_;
   SourcePositionTableBuilder source_position_table_builder_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_GENERATOR_H