rL365634 adds a unique_ptr<CompilationDatabase> in GobalCompilationDatabase.h:108 but CompilationDatabase is only forward declared. This makes the header not compile standalone, because unique_ptrs expect to have the full-definition of the...

Summary:
...template argument.

Remove the forward declaration and include the appropriate header instead.
Remove CompileCommand too, which is also in the header.

llvm-svn: 365713

clang-tools-extra/clangd/GlobalCompilationDatabase.h

@@ -11,6 +11,7 @@
 
 #include "Function.h"
 #include "Path.h"
+#include "clang/Tooling/CompilationDatabase.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringMap.h"
 #include <memory>
@@ -19,11 +20,6 @@
 
 namespace clang {
 
-namespace tooling {
-class CompilationDatabase;
-struct CompileCommand;
-} // namespace tooling
-
 namespace clangd {
 
 class Logger;