Remove the inclusion of windows.h in notification_launch_id*

... as this is unnecessary.

Bug: 734095
Change-Id: I1fc028c91ecf5c282f72b749cdd6283ed8e19e86
Reviewed-on: https://chromium-review.googlesource.com/1070624Reviewed-by: Finnur Thorarinsson <finnur@chromium.org>
Reviewed-by: Justin DeWitt <dewittj@chromium.org>
Commit-Queue: Xi Cheng <chengx@chromium.org>
Cr-Commit-Position: refs/heads/master@{#561660}

chrome/browser/notifications/notification_launch_id.cc

@@ -9,8 +9,6 @@
 #include "base/strings/string_split.h"
 #include "base/strings/stringprintf.h"
 
-#include <windows.h>
-
 namespace {
 
 enum LaunchIdComponents {

chrome/browser/notifications/notification_launch_id_unittest.cc

@@ -4,8 +4,6 @@
 
 #include "chrome/browser/notifications/notification_launch_id.h"
 
-#include <windows.h>
-
 #include "base/macros.h"
 #include "testing/gtest/include/gtest/gtest.h"