Enable breakpad building by default on Android.

chrome/browser/chrome_browser_main_android.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_browser_main_android.h"
 
+#include "base/command_line.h"
 #include "base/path_service.h"
 #include "chrome/app/breakpad_linux.h"
 #include "chrome/browser/android/crash_dump_manager.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/env_vars.h"
 #include "content/public/browser/android/compositor.h"
 #include "content/public/common/main_function_params.h"
 #include "net/android/network_change_notifier_factory_android.h"
 #include "net/base/network_change_notifier.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 
 ChromeBrowserMainPartsAndroid::ChromeBrowserMainPartsAndroid(
     const content::MainFunctionParams& parameters)
     : ChromeBrowserMainParts(parameters) {
 }
 
 ChromeBrowserMainPartsAndroid::~ChromeBrowserMainPartsAndroid() {
 }
 
 void ChromeBrowserMainPartsAndroid::PreProfileInit() {
 #if defined(USE_LINUX_BREAKPAD)
 #if defined(GOOGLE_CHROME_BUILD)
   // TODO(jcivelli): we should not initialize the crash-reporter when it was not
   // enabled. Right now if it is disabled we still generate the minidumps but we
   // do not upload them.
   bool breakpad_enabled = true;
 #else
   bool breakpad_enabled = false;
 #endif
-  // Allow Breakpad to be enabled in Chromium builds for testing purposes.
+
+  // Allow Breakpad to be enabled in Chromium builds for testing purposes. On
+  // Android use a command-line flag which is easier to set than an environment
+  // variable.
+#if defined(OS_ANDROID)
   if (!breakpad_enabled)
-    breakpad_enabled = getenv(env_vars::kEnableBreakpad) != NULL;
+    breakpad_enabled = CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableCrashReporter);
+#else
+  if (!breakpad_enabled)
+    breakpad_enabled = getenv(env_vars::kEnableCrashReporter) != NULL;
+#endif
 
   if (breakpad_enabled) {
     InitCrashReporter();
     crash_dump_manager_.reset(new CrashDumpManager());
   }
 #endif
 
   ChromeBrowserMainParts::PreProfileInit();
 }
 
@@ skipping 30 matching lines @@
   NOTREACHED();
 }
 
 void RecordBreakpadStatusUMA(MetricsService* metrics) {
   // TODO: crbug.com/139023
   NOTIMPLEMENTED();
 }
 
 void WarnAboutMinimumSystemRequirements() {
 }