Remove unnecessary checks and fix shader_bench.

content/renderer/media/peer_connection_tracker.cc

Index: content/renderer/media/peer_connection_tracker.cc
diff --git a/content/renderer/media/peer_connection_tracker.cc b/content/renderer/media/peer_connection_tracker.cc
index 44f44458aaca20f84784651ad15cc180a48815a6..597c64557048f1c9872c53b9d189f740fd03bd23 100644
--- a/content/renderer/media/peer_connection_tracker.cc
+++ b/content/renderer/media/peer_connection_tracker.cc
@@ -161,15 +161,9 @@ static base::DictionaryValue* GetDictValueStats(
     return NULL;
 
   DictionaryValue* dict = new base::DictionaryValue();
-  if (!dict)
-    return NULL;
   dict->SetDouble("timestamp", report.timestamp);
 
   base::ListValue* values = new base::ListValue();
-  if (!values) {
-    delete dict;
-    return NULL;
-  }
   dict->Set("values", values);
 
   for (size_t i = 0; i < report.values.size(); ++i) {
@@ -189,14 +183,10 @@ static base::DictionaryValue* GetDictValue(const webrtc::StatsReport& report) {
     return NULL;
 
   result.reset(new base::DictionaryValue());
-  if (!result)
-    return NULL;
-
   // Note:
   // The format must be consistent with what webrtc_internals.js expects.
   // If you change it here, you must change webrtc_internals.js as well.
-  if (stats)
-    result->Set("stats", stats.release());
+  result->Set("stats", stats.release());
   result->SetString("id", report.id);
   result->SetString("type", report.type);