drop more llvm:: prefixes on OwningPtr<>

More cleanup after r149798.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150379 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/examples/clang-interpreter/main.cpp b/examples/clang-interpreter/main.cpp
index 8ab1a18..d0db740 100644
--- a/examples/clang-interpreter/main.cpp
+++ b/examples/clang-interpreter/main.cpp
@@ -46,7 +46,7 @@
   llvm::InitializeNativeTarget();
 
   std::string Error;
-  llvm::OwningPtr<llvm::ExecutionEngine> EE(
+  OwningPtr<llvm::ExecutionEngine> EE(
     llvm::ExecutionEngine::createJIT(Mod, &Error));
   if (!EE) {
     llvm::errs() << "unable to make execution engine: " << Error << "\n";
@@ -83,7 +83,7 @@
   // (basically, exactly one input, and the operation mode is hard wired).
   llvm::SmallVector<const char *, 16> Args(argv, argv + argc);
   Args.push_back("-fsyntax-only");
-  llvm::OwningPtr<Compilation> C(TheDriver.BuildCompilation(Args));
+  OwningPtr<Compilation> C(TheDriver.BuildCompilation(Args));
   if (!C)
     return 0;
 
@@ -108,7 +108,7 @@
 
   // Initialize a compiler invocation object from the clang (-cc1) arguments.
   const driver::ArgStringList &CCArgs = Cmd->getArguments();
-  llvm::OwningPtr<CompilerInvocation> CI(new CompilerInvocation);
+  OwningPtr<CompilerInvocation> CI(new CompilerInvocation);
   CompilerInvocation::CreateFromArgs(*CI,
                                      const_cast<const char **>(CCArgs.data()),
                                      const_cast<const char **>(CCArgs.data()) +
@@ -140,7 +140,7 @@
       CompilerInvocation::GetResourcesPath(argv[0], MainAddr);
 
   // Create and execute the frontend to generate an LLVM bitcode module.
-  llvm::OwningPtr<CodeGenAction> Act(new EmitLLVMOnlyAction());
+  OwningPtr<CodeGenAction> Act(new EmitLLVMOnlyAction());
   if (!Clang.ExecuteAction(*Act))
     return 1;