Add the crash client ID to the uninstall URL params.

chrome/app/chrome_crash_reporter_client.cc

Index: chrome/app/chrome_crash_reporter_client.cc
diff --git a/chrome/app/chrome_crash_reporter_client.cc b/chrome/app/chrome_crash_reporter_client.cc
index 4cac4f1adafd9b8b6fa686567d72c3d9d488d7f1..aecde14d825f68e877395cf218cc9f4ef4ded355 100644
--- a/chrome/app/chrome_crash_reporter_client.cc
+++ b/chrome/app/chrome_crash_reporter_client.cc
@@ -13,10 +13,10 @@
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
+#include "chrome/common/chrome_paths_internal.h"
 #include "chrome/common/chrome_result_codes.h"
 #include "chrome/common/crash_keys.h"
 #include "chrome/common/env_vars.h"
-#include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/google_update_settings.h"
 #include "content/public/common/content_switches.h"
 
@@ -283,17 +283,9 @@ bool ChromeCrashReporterClient::GetCrashDumpLocation(
   // In order to be able to start crash handling very early, we do not rely on

[scottmg, 2016/01/08 20:16:09]

This should probably be moved/duplicated to GetDefaultCrashDumpLocation().

[grt (UTC plus 2), 2016/01/13 19:03:56]

Done.

   // chrome's PathService entries (for DIR_CRASH_DUMPS) being available on
   // Windows. See https://crbug.com/564398.
-  base::FilePath result;
-  if (!PathService::Get(base::DIR_LOCAL_APP_DATA, &result))
-    return false;
-  BrowserDistribution* dist = BrowserDistribution::GetDistribution();
-  result = result.Append(dist->GetInstallSubDir());
   // TODO(scottmg): Consider supporting --user-data-dir. See
   // https://crbug.com/565446.
-  result = result.Append(chrome::kUserDataDirname);
-  result = result.Append(FILE_PATH_LITERAL("Crashpad"));
-  *crash_dir = result;
-  return true;
+  return chrome::GetDefaultCrashDumpLocation(crash_dir);
 #else
   // By setting the BREAKPAD_DUMP_LOCATION environment variable, an alternate
   // location to write breakpad crash dumps can be set.