Include Google Update integration details in crash keys and about:version.

chrome/app/chrome_crash_reporter_client_win.cc

Index: chrome/app/chrome_crash_reporter_client_win.cc
diff --git a/chrome/app/chrome_crash_reporter_client_win.cc b/chrome/app/chrome_crash_reporter_client_win.cc
index 8257769482df2981b25e28624aa1b99ccec08fc3..b0ddb00c47e05443c0b180044cd5570084bf04a5 100644
--- a/chrome/app/chrome_crash_reporter_client_win.cc
+++ b/chrome/app/chrome_crash_reporter_client_win.cc
@@ -45,6 +45,11 @@ constexpr char kExtensionID[] = "extension-%" PRIuS;
 constexpr char kShutdownType[] = "shutdown-type";
 constexpr char kBrowserUnpinTrace[] = "browser-unpin-trace";
 
+// Registry values used to determine Chrome's update channel; see
+// https://crbug.com/579504.
+constexpr char kApValue[] = "ap";
+constexpr char kCohortName[] = "cohort-name";
+
 constexpr char kGPUVendorID[] = "gpu-venid";
 constexpr char kGPUDeviceID[] = "gpu-devid";
 constexpr char kGPUDriverVersion[] = "gpu-driver";
@@ -100,6 +105,8 @@ size_t RegisterCrashKeysHelper() {
       {kNumExtensionsCount, kSmallSize},
       {kShutdownType, kSmallSize},
       {kBrowserUnpinTrace, kMediumSize},
+      {kApValue, kSmallSize},
+      {kCohortName, kSmallSize},
       {kGPUVendorID, kSmallSize},
       {kGPUDeviceID, kSmallSize},
       {kGPUDriverVersion, kSmallSize},