Inline isUint32() method from HConstant, which was only used in one place.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index e74de4a1b1dc345398aff5b765de113fd865f78d..b386cb55cadd0589efaf4d19cbc985f325ddaec2 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -1001,6 +1001,7 @@ class HValue: public ZoneObject {
 
   bool IsInteger32Constant();
   int32_t GetInteger32Constant();
+  bool EqualsInteger32Constant(int32_t value);
 
   bool IsDefinedAfter(HBasicBlock* other) const;
 
@@ -3328,10 +3329,6 @@ class HConstant: public HTemplateInstruction<0> {
 
   bool BooleanValue() const { return boolean_value_; }
 
-  bool IsUint32() {
-    return HasInteger32Value() && (Integer32Value() >= 0);
-  }
-
   virtual intptr_t Hashcode() {
     if (has_int32_value_) {
       return static_cast<intptr_t>(int32_value_);