[clangd] Remove 'using namespace llvm' from .cpp files. NFC

The new guideline is to qualify with 'llvm::' explicitly both in
'.h' and '.cpp' files. This simplifies moving the code between
header and source files and is easier to keep consistent.

llvm-svn: 350531

1 files changed, 2 insertions, 3 deletions

diff --git a/clang-tools-extra/unittests/clangd/SerializationTests.cpp b/clang-tools-extra/unittests/clangd/SerializationTests.cpp
index 9afc42e3c10..fe571c4a7e9 100644
--- a/clang-tools-extra/unittests/clangd/SerializationTests.cpp
+++ b/clang-tools-extra/unittests/clangd/SerializationTests.cpp
@@ -20,7 +20,6 @@ using testing::Pair;
 using testing::UnorderedElementsAre;
 using testing::UnorderedElementsAreArray;
 
-using namespace llvm;
 namespace clang {
 namespace clangd {
 namespace {
@@ -158,7 +157,7 @@ TEST(SerializationTest, BinaryConversions) {
   // Write to binary format, and parse again.
   IndexFileOut Out(*In);
   Out.Format = IndexFileFormat::RIFF;
-  std::string Serialized = to_string(Out);
+  std::string Serialized = llvm::to_string(Out);
 
   auto In2 = readIndexFile(Serialized);
   ASSERT_TRUE(bool(In2)) << In.takeError();
@@ -191,7 +190,7 @@ TEST(SerializationTest, SrcsTest) {
   Out.Format = IndexFileFormat::RIFF;
   Out.Sources = &Sources;
   {
-    std::string Serialized = to_string(Out);
+    std::string Serialized = llvm::to_string(Out);
 
     auto In = readIndexFile(Serialized);
     ASSERT_TRUE(bool(In)) << In.takeError();