Be explicit about target type in platform_util::OpenItem()

chrome/browser/platform_util_chromeos.cc

Index: chrome/browser/platform_util_chromeos.cc
diff --git a/chrome/browser/platform_util_chromeos.cc b/chrome/browser/platform_util_chromeos.cc
index aad0b73602f9396699b2ae1b17ebdf69b738a162..8d463bf65689decaa77480ebd86f9a28fea5851d 100644
--- a/chrome/browser/platform_util_chromeos.cc
+++ b/chrome/browser/platform_util_chromeos.cc
@@ -4,34 +4,99 @@
 
 #include "chrome/browser/platform_util.h"
 
+#include "base/bind.h"
+#include "base/files/file_path.h"
 #include "chrome/browser/chromeos/file_manager/open_util.h"
+#include "chrome/browser/platform_util_internal.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_navigator.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/simple_message_box.h"
+#include "chrome/grit/generated_resources.h"
 #include "content/public/browser/browser_thread.h"
+#include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
 using content::BrowserThread;
 
+namespace platform_util {
+
 namespace {
 
 const char kGmailComposeUrl[] =
     "https://mail.google.com/mail/?extsrc=mailto&url=";
 
+void ShowWarningOnOpenOperationResult(Profile* profile,
+                                      const base::FilePath& path,
+                                      OpenOperationResult result) {
+  int message_id = IDS_FILE_BROWSER_ERROR_VIEWING_FILE;
+  switch (result) {
+    case OPEN_SUCCEEDED:
+      return;
+
+    case OPEN_FAILED_PATH_NOT_FOUND:
+      message_id = IDS_FILE_BROWSER_ERROR_UNRESOLVABLE_FILE;
+      break;
+
+    case OPEN_FAILED_INVALID_TYPE:
+      return;
+
+    case OPEN_FAILED_NO_HANLDER_FOR_FILE_TYPE:
+      if (path.MatchesExtension(FILE_PATH_LITERAL(".dmg")))
+        message_id = IDS_FILE_BROWSER_ERROR_VIEWING_FILE_FOR_DMG;
+      else if (path.MatchesExtension(FILE_PATH_LITERAL(".exe")) ||
+               path.MatchesExtension(FILE_PATH_LITERAL(".msi")))
+        message_id = IDS_FILE_BROWSER_ERROR_VIEWING_FILE_FOR_EXECUTABLE;
+      else
+        message_id = IDS_FILE_BROWSER_ERROR_VIEWING_FILE;
+      break;
+
+    case OPEN_FAILED_FILE_ERROR:
+      message_id = IDS_FILE_BROWSER_ERROR_VIEWING_FILE;
+      break;
+  }
+
+  Browser* browser =
+      chrome::FindTabbedBrowser(profile, false, chrome::HOST_DESKTOP_TYPE_ASH);
+  chrome::ShowMessageBox(
+      browser ? browser->window()->GetNativeWindow() : nullptr,
+      l10n_util::GetStringFUTF16(IDS_FILE_BROWSER_ERROR_VIEWING_FILE_TITLE,
+                                 path.BaseName().AsUTF16Unsafe()),
+      l10n_util::GetStringUTF16(message_id), chrome::MESSAGE_BOX_TYPE_WARNING);
+}
+
 }  // namespace
 
-namespace platform_util {
+namespace internal {
+
+void DisableShellOperationsForTesting() {
+  file_manager::util::DisableShellOperationsForTesting();
+}
+
+}  // namespace internal
 
 void ShowItemInFolder(Profile* profile, const base::FilePath& full_path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  file_manager::util::ShowItemInFolder(profile, full_path);
+  file_manager::util::ShowItemInFolder(
+      profile, full_path,
+      base::Bind(&ShowWarningOnOpenOperationResult, profile, full_path));
 }
 
-void OpenItem(Profile* profile, const base::FilePath& full_path) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  file_manager::util::OpenItem(profile, full_path);
+void OpenItem(Profile* profile,
+              const base::FilePath& full_path,
+              OpenItemType item_type,
+              const OpenOperationCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  file_manager::util::OpenItem(
+      profile, full_path, item_type,
+      callback.is_null()
+          ? base::Bind(&ShowWarningOnOpenOperationResult, profile, full_path)
+          : callback);
 }
 
 void OpenExternal(Profile* profile, const GURL& url) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   // This code should be obsolete since we have default handlers in ChromeOS
   // which should handle this. However - there are two things which make it