Merge arguments branch to bleeding merge.

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 366364f61727631d7cf771293820594b42f21225..ac06fb014da11f978091c1beef11c7d1667b54f0 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -551,11 +551,9 @@ class ValueContext: public AstContext {
 class TestContext: public AstContext {
  public:
   TestContext(HGraphBuilder* owner,
-              Expression* condition,
               HBasicBlock* if_true,
               HBasicBlock* if_false)
       : AstContext(owner, Expression::kTest),
-        condition_(condition),
         if_true_(if_true),
         if_false_(if_false) {
   }
@@ -568,7 +566,6 @@ class TestContext: public AstContext {
     return reinterpret_cast<TestContext*>(context);
   }
 
-  Expression* condition() const { return condition_; }
   HBasicBlock* if_true() const { return if_true_; }
   HBasicBlock* if_false() const { return if_false_; }
 
@@ -577,7 +574,6 @@ class TestContext: public AstContext {
   // control flow.
   void BuildBranch(HValue* value);
 
-  Expression* condition_;
   HBasicBlock* if_true_;
   HBasicBlock* if_false_;
 };