Mac updater setup: fix failure if ~/Library/{COMPANYNAME} DNE

Bug: 1031293
Change-Id: I4858a8aa5eb37c3ce5268752efd87c80fcad43cb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2095846Reviewed-by: Sorin Jianu <sorin@chromium.org>
Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Commit-Queue: Michael Chang <donchan@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#748835}

chrome/updater/mac/setup/setup.mm

@@ -88,10 +88,19 @@ void TerminateUpdaterSetupMain() {
 }
 
 bool CopyBundle() {
-  // Copy bundle to "~/Library/Google/GoogleUpdate".
+  // Copy bundle to ~/Library/COMPANY_SHORTNAME_STRING/PRODUCT_FULLNAME_STRING.
+  // e.g. ~/Library/Google/GoogleUpdater
   const base::FilePath dest_path =
       base::mac::GetUserLibraryPath().Append(GetUpdateFolderName());
 
+  if (!base::PathExists(dest_path)) {
+    if (!base::CreateDirectory(dest_path)) {
+      LOG(ERROR) << "Failed to create directory at "
+                 << dest_path.value().c_str();
+      return false;
+    }
+  }
+
   base::FilePath this_executable_path;
   base::PathService::Get(base::FILE_EXE, &this_executable_path);
   const base::FilePath src_path =
@@ -105,7 +114,9 @@ bool CopyBundle() {
 }
 
 bool DeleteInstallFolder() {
-  // Delete the install folder - "~/Library/Google/GoogleUpdate".
+  // Delete install folder
+  // ~/Library/COMPANY_SHORTNAME_STRING/PRODUCT_FULLNAME_STRING.
+  // e.g. ~/Library/Google/GoogleUpdater
   const base::FilePath dest_path =
       base::mac::GetUserLibraryPath().Append(GetUpdateFolderName());