Instrument SdchManager using MemoryDumpProvider

net/base/sdch_manager.h

Index: net/base/sdch_manager.h
diff --git a/net/base/sdch_manager.h b/net/base/sdch_manager.h
index dcb47717851b2c825785bf282bd95c370603ac63..1db8105e9a850c6f40704d5095b569d168eda987 100644
--- a/net/base/sdch_manager.h
+++ b/net/base/sdch_manager.h
@@ -32,6 +32,10 @@ class GURL;
 
 namespace base {
 class Value;
+
+namespace trace_event {
+class ProcessMemoryDump;
+}
 }
 
 namespace net {
@@ -195,6 +199,11 @@ class NET_EXPORT SdchManager {
   void AddObserver(SdchObserver* observer);
   void RemoveObserver(SdchObserver* observer);
 
+  // Dumps memory allocation stats. |parent_dump_absolute_name| is the name
+  // used by the parent MemoryAllocatorDump in the memory dump hierarchy.
+  void DumpMemoryStats(base::trace_event::ProcessMemoryDump* pmd,
+                       const std::string& parent_dump_absolute_name) const;
+
   // Logs an SDCH failure to UMA and |netlog|.
   static void LogSdchProblem(NetLogWithSource netlog, SdchProblemCode problem);