Store gpu crashes in the systemprofileproto

chrome/common/metrics/proto/system_profile.proto

 // 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.
 //
 // Stores information about the user's brower and system configuration.
 // The system configuration fields are recorded once per client session.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
@@ skipping 307 matching lines @@
     // True if the plugin is disabled.
     // If a client has multiple local Chrome user accounts, this is logged based
     // on the first user account launched during the current session.
     optional bool is_disabled = 4;
 
     // True if the plugin is PPAPI.
     optional bool is_pepper = 5;
   }
   repeated Plugin plugin = 7;
 
+  // Next tag: 24
   // Figures that can be used to generate application stability metrics.
   // All values are counts of events since the last time that these
   // values were reported.
   message Stability {
     // Total amount of time that the program was running, in seconds.
     optional int64 uptime_sec = 1;
 
     // Page loads along with renderer crashes and hangs, since page load count
     // roughly corresponds to usage.
     optional int32 page_load_count = 2;
@@ skipping 53 matching lines @@
     // The number of times the program has run under a debugger.  This should
     // be an exceptional condition.  Running under a debugger prevents crash
     // dumps from being generated.
     optional int32 debugger_present_count = 20;
 
     // The number of times the program has run without a debugger attached.
     // This should be most common scenario and should be very close to
     // |launch_count|.
     optional int32 debugger_not_present_count = 21;
 
+    // All types of GPU crashes. Further details can be seen in the

[Alexei Svitkine (slow), 2013/12/13 22:37:22]

Nit: Use same wording as other comments... "The number of times ..."

[rkaplow, 2013/12/13 23:54:03]

Done.

+    // GPU.GPUProcessTerminationStatus histogram.
+    optional int32 gpu_crash_count = 23;
+
     // Stability information for all installed plugins.
     message PluginStability {
       // The relevant plugin's information (name, etc.)
       optional Plugin plugin = 1;
 
       // The number of times this plugin's process was launched.
       optional int32 launch_count = 2;
 
       // The number of times this plugin was instantiated on a web page.
       // This will be >= |launch_count|.
@@ skipping 25 matching lines @@
     // Currently, the identifier is a hash of the group's name.
     optional fixed32 group_id = 2;
   }
   repeated FieldTrial field_trial = 9;
 
   // Number of users currently signed into a multiprofile session.
   // A zero value indicates that the user count changed while the log is open.
   // Logged only on ChromeOS.
   optional uint32 multi_profile_user_count = 17;
 }