Add RECORD_AS_MUCH_AS_POSSIBLE mode to TraceOptions.

base/debug/trace_event_impl_constants.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/debug/trace_event_impl.h"
 
 namespace base {
 namespace debug {
 
 // Enable everything but debug and test categories by default.
 const char* CategoryFilter::kDefaultCategoryFilterString = "-*Debug,-*Test";
 
 // Constant used by TraceLog's internal implementation of trace_option.
-const TraceLog::InternalTraceOptions TraceLog::kInternalNone = 0;
-const TraceLog::InternalTraceOptions TraceLog::kInternalRecordUntilFull =
-    1 << 0;
-const TraceLog::InternalTraceOptions TraceLog::kInternalRecordContinuously =
-    1 << 1;
-const TraceLog::InternalTraceOptions TraceLog::kInternalEnableSampling = 1
-                                                                          << 2;
-const TraceLog::InternalTraceOptions TraceLog::kInternalEchoToConsole = 1
-                                                                          << 3;
+const TraceLog::InternalTraceOptions
+    TraceLog::kInternalNone = 0;
+const TraceLog::InternalTraceOptions
+    TraceLog::kInternalRecordUntilFull = 1 << 0;
+const TraceLog::InternalTraceOptions
+    TraceLog::kInternalRecordContinuously = 1 << 1;
+const TraceLog::InternalTraceOptions
+    TraceLog::kInternalEnableSampling = 1 << 2;
+const TraceLog::InternalTraceOptions
+    TraceLog::kInternalEchoToConsole = 1 << 3;
+const TraceLog::InternalTraceOptions
+    TraceLog::kInternalRecordAsMuchAsPossible = 1 << 4;
 
 }  // namespace debug
 }  // namespace base