Simplify libcrash_dumper interface and make window_manager gen crash dumps

src/platform/window_manager/main.cc

Index: src/platform/window_manager/main.cc
diff --git a/src/platform/window_manager/main.cc b/src/platform/window_manager/main.cc
index e2c74f8f1c7f311f5c684bcc3dc70169f1264c37..d0d983ffd76aae84626e16749bf0bf49d084b650 100644
--- a/src/platform/window_manager/main.cc
+++ b/src/platform/window_manager/main.cc
@@ -20,9 +20,6 @@ extern "C" {
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
-#ifdef USE_BREAKPAD
-#include "handler/exception_handler.h"
-#endif
 #include "window_manager/callback.h"
 #include "window_manager/compositor.h"
 #include "window_manager/event_loop.h"
@@ -45,9 +42,6 @@ DEFINE_string(display, "",
               "X Display to connect to (overrides DISPLAY env var).");
 DEFINE_bool(logtostderr, false,
             "Write logs to stderr instead of to a file in log_dir.");
-DEFINE_string(minidump_dir, ".",
-              "Directory where crash minidumps should be written; created if "
-              "it doesn't exist.");
 DEFINE_int32(pause_at_start, 0,
              "Specify this to pause for N seconds at startup.");
 DEFINE_bool(logged_in, true, "Whether Chrome is logged in or not.");
@@ -101,13 +95,6 @@ int main(int argc, char** argv) {
   if (FLAGS_pause_at_start > 0)
     sleep(FLAGS_pause_at_start);
 
-#ifdef USE_BREAKPAD
-  if (!file_util::CreateDirectory(FilePath(FLAGS_minidump_dir)))
-    LOG(ERROR) << "Unable to create minidump directory " << FLAGS_minidump_dir;
-  google_breakpad::ExceptionHandler exception_handler(
-      FLAGS_minidump_dir, NULL, NULL, NULL, true);
-#endif
-
   const string log_basename = StringPrintf(
       "%s.%s", WindowManager::GetWmName(),
       GetTimeAsString(::time(NULL)).c_str());