Fix Aura Release compile break in metro_driver.

The breakpad export has been unused for the last five months, so I suppose it's safe to remove it entirely.

BUG=162405
TEST=Chromium Win (aura) bot should be able to compile metro_driver.dll.

Review URL: https://chromiumcodereview.appspot.com/11412265

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@170555 0039d316-1c4b-4281-b951-d872f2087c98

win8/metro_driver/chrome_app_view.h

@@ -139,9 +139,6 @@ class ChromeAppView
   MetroDialogBox dialog_box_;
 };
 
-// This function is exported by chrome.exe.
-typedef int (__cdecl *BreakpadExceptionHandler)(EXCEPTION_POINTERS* info);
-
 // Global information used across the metro driver.
 struct Globals {
   LPTHREAD_START_ROUTINE host_main;
@@ -164,7 +161,6 @@ struct Globals {
   // to be initiated from that thread, notably spawning file pickers.
   base::MessageLoopProxy* appview_msg_loop;
   winapp::Core::ICoreApplicationExit* app_exit;
-  BreakpadExceptionHandler breakpad_exception_handler;
   string16 metro_command_line_switches;
 };
 

win8/metro_driver/metro_driver.cc

@@ -147,14 +147,6 @@ int InitMetro(LPTHREAD_START_ROUTINE thread_proc, void* context) {
 
 #if defined(NDEBUG)
   logging::SetMinLogLevel(logging::LOG_ERROR);
-  // Bind to the breakpad handling function.
-  globals.breakpad_exception_handler =
-      reinterpret_cast<BreakpadExceptionHandler>(
-          ::GetProcAddress(::GetModuleHandle(NULL),
-                           "CrashForException"));
-  if (!globals.breakpad_exception_handler) {
-    DVLOG(0) << "CrashForException export not found";
-  }
 #else
   logging::SetMinLogLevel(logging::LOG_VERBOSE);
   // Set the error reporting flags to always raise an exception,