[chromedriver] Fix some minor errors.

chrome/test/chromedriver/chrome/heap_snapshot_taker.cc

Index: chrome/test/chromedriver/chrome/heap_snapshot_taker.cc
diff --git a/chrome/test/chromedriver/chrome/heap_snapshot_taker.cc b/chrome/test/chromedriver/chrome/heap_snapshot_taker.cc
index 51c1247b781bffb938f1250b071337abeaa9cb8e..996d78d09508973cac8d92202428f733ba58fc07 100644
--- a/chrome/test/chromedriver/chrome/heap_snapshot_taker.cc
+++ b/chrome/test/chromedriver/chrome/heap_snapshot_taker.cc
@@ -25,18 +25,20 @@ Status HeapSnapshotTaker::TakeSnapshot(scoped_ptr<base::Value>* snapshot) {
   Status status3(kOk);
   if (status1.IsOk() && status2.IsOk()) {
     scoped_ptr<base::Value> value(base::JSONReader::Read(snapshot_));
-    if (!value)
+    if (!value) {
       status3 = Status(kUnknownError, "heap snapshot not in JSON format");
-    else
+    } else {
       *snapshot = value.Pass();
+    }
   }
   snapshot_.clear();
-  if (status1.IsError())
+  if (status1.IsError()) {
     return status1;
-  else if (status2.IsError())
+  } else if (status2.IsError()) {
     return status2;
-  else
+  } else {
     return status3;
+  }
 }
 
 Status HeapSnapshotTaker::TakeSnapshotInternal() {