Remove packaged app Windows shortcuts when app is uninstalled.

BUG=130456
TEST=Check app shortcuts are removed when the app is uninstalled. Test extension uninstallation in general.


Review URL: https://chromiumcodereview.appspot.com/10837034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@151021 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: c002e757a3ce8027631cd2f22e5ec0f9b1322b14
diff --git a/base/file_util.h b/base/file_util.h
index fb6f624..a868112 100644
--- a/base/file_util.h
+++ b/base/file_util.h
@@ -235,10 +235,16 @@
 };
 
 // Resolve Windows shortcut (.LNK file)
-// This methods tries to resolve a shortcut .LNK file. If the |path| is valid
-// returns true and puts the target into the |path|, otherwise returns
-// false leaving the path as it is.
-BASE_EXPORT bool ResolveShortcut(FilePath* path);
+// This methods tries to resolve a shortcut .LNK file. The path of the shortcut
+// to resolve is in |shortcut_path|. If |target_path| is not NULL, the target
+// will be resolved and placed in |target_path|. If |args| is not NULL, the
+// arguments will be retrieved and placed in |args|. The function returns true
+// if all requested fields are are found successfully.
+// Callers can safely use the same variable for both |shortcut_path| and
+// |target_path|.
+BASE_EXPORT bool ResolveShortcut(const FilePath& shortcut_path,
+                                 FilePath* target_path,
+                                 string16* args);
 
 // Creates (or updates) a Windows shortcut (.LNK file)
 // This method creates (or updates) a shortcut link using the information given.
diff --git a/base/file_util_unittest.cc b/base/file_util_unittest.cc
index 25e2f40..b471f88 100644
--- a/base/file_util_unittest.cc
+++ b/base/file_util_unittest.cc
@@ -1617,6 +1617,8 @@
   EXPECT_TRUE(SUCCEEDED(result));
   result = shell->SetDescription(L"ResolveShortcutTest");
   EXPECT_TRUE(SUCCEEDED(result));
+  result = shell->SetArguments(L"--args");
+  EXPECT_TRUE(SUCCEEDED(result));
   result = persist->Save(link_file.value().c_str(), TRUE);
   EXPECT_TRUE(SUCCEEDED(result));
   if (persist)
@@ -1625,8 +1627,10 @@
     shell->Release();
 
   bool is_solved;
-  is_solved = file_util::ResolveShortcut(&link_file);
+  std::wstring args;
+  is_solved = file_util::ResolveShortcut(link_file, &link_file, &args);
   EXPECT_TRUE(is_solved);
+  EXPECT_EQ(L"--args", args);
   std::wstring contents;
   contents = ReadTextFile(link_file);
   EXPECT_EQ(L"This is the target.", contents);
@@ -1649,8 +1653,8 @@
                   target_file.value().c_str(), link_file.value().c_str(), NULL,
                   NULL, NULL, NULL, 0, NULL,
                   file_util::SHORTCUT_CREATE_ALWAYS));
-  FilePath resolved_name = link_file;
-  EXPECT_TRUE(file_util::ResolveShortcut(&resolved_name));
+  FilePath resolved_name;
+  EXPECT_TRUE(file_util::ResolveShortcut(link_file, &resolved_name, NULL));
   std::wstring read_contents = ReadTextFile(resolved_name);
   EXPECT_EQ(file_contents, read_contents);