adds restart message and link to crash reporting setting

components/breakpad/app/breakpad_win.cc

Index: components/breakpad/app/breakpad_win.cc
diff --git a/components/breakpad/app/breakpad_win.cc b/components/breakpad/app/breakpad_win.cc
index 56c4cf9b1086cb3843be822624c83b189d7b6fed..5fdf9c29697741695fe2f5560a0d6ecdd42cd337 100644
--- a/components/breakpad/app/breakpad_win.cc
+++ b/components/breakpad/app/breakpad_win.cc
@@ -595,4 +595,15 @@ void InitCrashReporter(const std::string& process_type_switch) {
   }
 }
 
+// If the user has disabled crash reporting uploads and restarted Chrome, the
+// restarted instance will still contain the pipe environment variable, which
+// will allow the restarted process to still upload crash reports. This function
+// clears the environment variable, so that the restarted Chrome, which inherits
+// its environment from the current Chrome, will no longer contain the variable.
+extern "C" void __declspec(dllexport) __cdecl
+      ClearBreakpadPipeEnvironmentVariable() {
+  scoped_ptr<base::Environment> env(base::Environment::Create());
+  env->UnSetVar(kPipeNameVar);
+}
+
 }  // namespace breakpad