Make crash reporting client_id accessible through child_process_logging.

chrome/common/child_process_logging_linux.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/common/child_process_logging.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/gpu_info.h"
 #include "chrome/installer/util/google_update_settings.h"
 #include "googleurl/src/gurl.h"
 
 namespace child_process_logging {
 
-// We use a static string to hold the most recent active url. If we crash, the
-// crash handler code will send the contents of this string to the browser.
-std::string active_url;
+// Account for the terminating null character.
+static const size_t kMaxActiveURLSize = 1024 + 1;
+static const size_t kClientIdSize = 32 + 1;
+
+// We use static strings to hold the most recent active url and the client
+// identifier. If we crash, the crash handler code will send the contents of
+// these strings to the browser.
+char g_active_url[kMaxActiveURLSize];
+char g_client_id[kClientIdSize];
 
 void SetActiveURL(const GURL& url) {
-  active_url = url.possibly_invalid_spec();
+  base::strlcpy(g_active_url,
+                url.possibly_invalid_spec().c_str(),
+                kMaxActiveURLSize);
 }
 
 void SetClientId(const std::string& client_id) {
   std::string str(client_id);
   ReplaceSubstringsAfterOffset(&str, 0, "-", "");
 
   if (str.empty())
     return;
 
+  base::strlcpy(g_client_id, str.c_str(), kClientIdSize);
   std::wstring wstr = ASCIIToWide(str);
   GoogleUpdateSettings::SetMetricsId(wstr);
 }
 
+std::string GetClientId() {
+  return std::string(g_client_id);
+}
+
 void SetActiveExtensions(const std::set<std::string>& extension_ids) {
   // TODO(port)
 }
 
 void SetGpuInfo(const GPUInfo& gpu_info) {
   // TODO(rlp): Bug 38737.
 }
 
 }  // namespace child_process_logging