Add memory and CPU histogram for OOPIF

chrome/browser/memory_details.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_MEMORY_DETAILS_H_
 #define CHROME_BROWSER_MEMORY_DETAILS_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 47 matching lines @@
   // The process product name.
   base::string16 product_name;
   // The number of processes which this memory represents.
   int num_processes;
   // If this is a child process of Chrome, what type (i.e. plugin) it is.
   int process_type;
   // If this is a renderer process, what type it is.
   RendererProcessType renderer_type;
   // A collection of titles used, i.e. for a tab it'll show all the page titles.
   std::vector<base::string16> titles;
+  // True if it is a renderer containing an out-of-process iframe.
+  bool contains_oopif = false;

[jochen (gone - plz use gerrit), 2017/02/17 15:32:46]

please initialize this field in the ctor instead of inline as all other fields
are initialized in the ctor

 };
 
 typedef std::vector<ProcessMemoryInformation> ProcessMemoryInformationList;
 
 // Browser Process Information.
 struct ProcessData {
   ProcessData();
   ProcessData(const ProcessData& rhs);
   ~ProcessData();
   ProcessData& operator=(const ProcessData& rhs);
@@ skipping 88 matching lines @@
   std::vector<ProcessData> process_data_;
 
 #if defined(OS_CHROMEOS)
   base::SwapInfo swap_info_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(MemoryDetails);
 };
 
 #endif  // CHROME_BROWSER_MEMORY_DETAILS_H_