Move platform abstraction to base library

src/hydrogen-bce.cc

Index: src/hydrogen-bce.cc
diff --git a/src/hydrogen-bce.cc b/src/hydrogen-bce.cc
index 5b134290ee7a08e9342e206d3425a7b94574974c..51ccf819fb511e57d9e8fa0448d12af7d13db893 100644
--- a/src/hydrogen-bce.cc
+++ b/src/hydrogen-bce.cc
@@ -170,8 +170,8 @@ class BoundsCheckBbData: public ZoneObject {
 
     if (!keep_new_check) {
       if (FLAG_trace_bce) {
-        OS::Print("Eliminating check #%d after tightening\n",
-                  new_check->id());
+        base::OS::Print("Eliminating check #%d after tightening\n",
+                        new_check->id());
       }
       new_check->block()->graph()->isolate()->counters()->
           bounds_checks_eliminated()->Increment();
@@ -180,8 +180,8 @@ class BoundsCheckBbData: public ZoneObject {
       HBoundsCheck* first_check = new_check == lower_check_ ? upper_check_
                                                             : lower_check_;
       if (FLAG_trace_bce) {
-        OS::Print("Moving second check #%d after first check #%d\n",
-                  new_check->id(), first_check->id());
+        base::OS::Print("Moving second check #%d after first check #%d\n",
+                        new_check->id(), first_check->id());
       }
       // The length is guaranteed to be live at first_check.
       ASSERT(new_check->length() == first_check->length());
@@ -283,8 +283,8 @@ class BoundsCheckBbData: public ZoneObject {
     original_check->ReplaceAllUsesWith(original_check->index());
     original_check->SetOperandAt(0, tighter_check->index());
     if (FLAG_trace_bce) {
-      OS::Print("Tightened check #%d with offset %d from #%d\n",
-                original_check->id(), new_offset, tighter_check->id());
+      base::OS::Print("Tightened check #%d with offset %d from #%d\n",
+                      original_check->id(), new_offset, tighter_check->id());
     }
   }
 
@@ -396,15 +396,15 @@ BoundsCheckBbData* HBoundsCheckEliminationPhase::PreProcessBlock(
                                                    NULL);
       *data_p = bb_data_list;
       if (FLAG_trace_bce) {
-        OS::Print("Fresh bounds check data for block #%d: [%d]\n",
-                  bb->block_id(), offset);
+        base::OS::Print("Fresh bounds check data for block #%d: [%d]\n",
+                        bb->block_id(), offset);
       }
     } else if (data->OffsetIsCovered(offset)) {
       bb->graph()->isolate()->counters()->
           bounds_checks_eliminated()->Increment();
       if (FLAG_trace_bce) {
-        OS::Print("Eliminating bounds check #%d, offset %d is covered\n",
-                  check->id(), offset);
+        base::OS::Print("Eliminating bounds check #%d, offset %d is covered\n",
+                        check->id(), offset);
       }
       check->DeleteAndReplaceWith(check->ActualValue());
     } else if (data->BasicBlock() == bb) {
@@ -439,8 +439,8 @@ BoundsCheckBbData* HBoundsCheckEliminationPhase::PreProcessBlock(
                                                    bb_data_list,
                                                    data);
       if (FLAG_trace_bce) {
-        OS::Print("Updated bounds check data for block #%d: [%d - %d]\n",
-                  bb->block_id(), new_lower_offset, new_upper_offset);
+        base::OS::Print("Updated bounds check data for block #%d: [%d - %d]\n",
+                        bb->block_id(), new_lower_offset, new_upper_offset);
       }
       table_.Insert(key, bb_data_list, zone());
     }