Refactor CrashDump*Manager to use a shared CrashDumpObserver singleton.

chrome/browser/chrome_content_browser_client.cc

 // 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.
 
 #include "chrome/browser/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 2802 matching lines @@
   base::MemoryMappedFile::Region region;
   int fd = ui::GetMainAndroidPackFd(&region);
   mappings->ShareWithRegion(kAndroidUIResourcesPakDescriptor, fd, region);
 
   fd = ui::GetCommonResourcesPackFd(&region);
   mappings->ShareWithRegion(kAndroidChrome100PercentPakDescriptor, fd, region);
 
   fd = ui::GetLocalePackFd(&region);
   mappings->ShareWithRegion(kAndroidLocalePakDescriptor, fd, region);
 
-  if (breakpad::IsCrashReporterEnabled()) {
-    base::File file =
-        breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
-            child_process_id);
-    if (file.IsValid()) {
-      mappings->Transfer(kAndroidMinidumpDescriptor,
-                         base::ScopedFD(file.TakePlatformFile()));
-    } else {
-      LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
-                 "be disabled for this process.";
-    }
-  }
+  breakpad::CrashDumpObserver::GetInstance()->BrowserChildProcessStarted(
+      child_process_id, mappings);
 
   base::FilePath app_data_path;
   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
   DCHECK(!app_data_path.empty());
 #else
   int crash_signal_fd = GetCrashSignalFD(command_line);
   if (crash_signal_fd >= 0) {
     mappings->Share(kCrashDumpSignal, crash_signal_fd);
   }
 #endif  // defined(OS_ANDROID)
@@ skipping 518 matching lines @@
 bool ChromeContentBrowserClient::ShouldRedirectDOMStorageTaskRunner() {
   return variations::GetVariationParamValue(
              "BrowserScheduler", "RedirectDOMStorageTaskRunner") == "true";
 }
 
 bool ChromeContentBrowserClient::
     RedirectNonUINonIOBrowserThreadsToTaskScheduler() {
   return variations::GetVariationParamValue(
              "BrowserScheduler", "RedirectNonUINonIOBrowserThreads") == "true";
 }