[jumbo][csa] Add using declarations for TNode in a uniform way.

... to avoid breaking jumbo builds.

TBR=cbruni@chromium.org, rmcilroy@chromium.org

Bug: v8:6949, v8:7310, v8:7339
Change-Id: Ifa3ff13fb064fc8716f237f90c82834e41ed7440
Reviewed-on: https://chromium-review.googlesource.com/983392Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52266}

src/ic/accessor-assembler.cc

@@ -17,8 +17,10 @@ namespace internal {
 
 using compiler::CodeAssemblerState;
 using compiler::Node;
-using compiler::TNode;
-using compiler::SloppyTNode;
+template <typename T>
+using TNode = compiler::TNode<T>;
+template <typename T>
+using SloppyTNode = compiler::SloppyTNode<T>;
 
 //////////////////// Private helpers.
 

src/interpreter/interpreter-intrinsics-generator.cc

@@ -20,7 +20,8 @@ namespace internal {
 namespace interpreter {
 
 using compiler::Node;
-using compiler::TNode;
+template <typename T>
+using TNode = compiler::TNode<T>;
 
 class IntrinsicsGenerator {
  public: