[compiler] Remove compiler internals from CodeAssembler.

src/compiler/code-assembler.h

Index: src/compiler/code-assembler.h
diff --git a/src/compiler/code-assembler.h b/src/compiler/code-assembler.h
index 101fc0b75b17c15f25367fc55a13b660306f8199..a8e27ec9292dc2a6e3eecabb75e1d0c81193fd66 100644
--- a/src/compiler/code-assembler.h
+++ b/src/compiler/code-assembler.h
@@ -29,12 +29,9 @@ class Zone;
 namespace compiler {
 
 class CallDescriptor;
-class Graph;
 class Node;
-class Operator;
 class RawMachineAssembler;
 class RawMachineLabel;
-class Schedule;
 
 #define CODE_ASSEMBLER_COMPARE_BINARY_OP_LIST(V) \
   V(Float32Equal)                                \
@@ -207,14 +204,6 @@ class CodeAssembler {
     CodeAssembler* assembler_;
   };
 
-  enum AllocationFlag : uint8_t {
-    kNone = 0,
-    kDoubleAlignment = 1,
-    kPretenured = 1 << 1
-  };
-
-  typedef base::Flags<AllocationFlag> AllocationFlags;
-
   // ===========================================================================
   // Base Assembler
   // ===========================================================================
@@ -433,11 +422,6 @@ class CodeAssembler {
   Zone* zone() const;
 
  protected:
-  // Protected helpers which delegate to RawMachineAssembler.
-  Graph* graph() const;
-
-  Node* SmiShiftBitsConstant();
-
   // Enables subclasses to perform operations before and after a call.
   virtual void CallPrologue();
   virtual void CallEpilogue();
@@ -458,8 +442,6 @@ class CodeAssembler {
   DISALLOW_COPY_AND_ASSIGN(CodeAssembler);
 };
 
-DEFINE_OPERATORS_FOR_FLAGS(CodeAssembler::AllocationFlags);
-
 class CodeAssembler::Label {
  public:
   enum Type { kDeferred, kNonDeferred };