Enable breakpad building by default on Android.

chrome/browser/chrome_browser_main_android.cc

Index: chrome/browser/chrome_browser_main_android.cc
diff --git a/chrome/browser/chrome_browser_main_android.cc b/chrome/browser/chrome_browser_main_android.cc
index 42dd90f99b7b37d267bb8068a5983752a55f2c4d..7b80866736b87980d72caa969cccce539d46f0e3 100644
--- a/chrome/browser/chrome_browser_main_android.cc
+++ b/chrome/browser/chrome_browser_main_android.cc
@@ -4,9 +4,11 @@
 
 #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"
@@ -33,9 +35,18 @@ void ChromeBrowserMainPartsAndroid::PreProfileInit() {
 #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 = CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableBreakpad);
+#else
   if (!breakpad_enabled)
     breakpad_enabled = getenv(env_vars::kEnableBreakpad) != NULL;
+#endif
 
   if (breakpad_enabled) {
     InitCrashReporter();