[clangd] Remove forceReparse, add a flag to addDocument instead

Summary: To make the removal of DraftMgr from ClangdServer easier (D44408).

Reviewers: sammccall, simark

Reviewed By: sammccall, simark

Subscribers: simark, klimek, jkorous-apple, ioeric, cfe-commits

Differential Revision: https://reviews.llvm.org/D44462

llvm-svn: 327532
diff --git a/clang-tools-extra/unittests/clangd/SyncAPI.cpp b/clang-tools-extra/unittests/clangd/SyncAPI.cpp
index 7e51e60..28393ee 100644
--- a/clang-tools-extra/unittests/clangd/SyncAPI.cpp
+++ b/clang-tools-extra/unittests/clangd/SyncAPI.cpp
@@ -11,8 +11,9 @@
 namespace clang {
 namespace clangd {
 
-void runAddDocument(ClangdServer &Server, PathRef File, StringRef Contents) {
-  Server.addDocument(File, Contents);
+void runAddDocument(ClangdServer &Server, PathRef File, StringRef Contents,
+                    WantDiagnostics WantDiags, bool SkipCache) {
+  Server.addDocument(File, Contents, WantDiags, SkipCache);
   if (!Server.blockUntilIdleForTest())
     llvm_unreachable("not idle after addDocument");
 }