Move strings-storage.* to the profiler directory

BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
 # Because standalone V8 builds are not supported, assume this is part of a
@@ skipping 1106 matching lines @@
     "src/profiler/heap-profiler.cc",
     "src/profiler/heap-profiler.h",
     "src/profiler/heap-snapshot-generator-inl.h",
     "src/profiler/heap-snapshot-generator.cc",
     "src/profiler/heap-snapshot-generator.h",
     "src/profiler/profile-generator-inl.h",
     "src/profiler/profile-generator.cc",
     "src/profiler/profile-generator.h",
     "src/profiler/sampler.cc",
     "src/profiler/sampler.h",
+    "src/profiler/strings-storage.cc",
+    "src/profiler/strings-storage.h",
     "src/profiler/unbound-queue-inl.h",
     "src/profiler/unbound-queue.h",
     "src/property-details.h",
     "src/property.cc",
     "src/property.h",
     "src/prototype.h",
     "src/rewriter.cc",
     "src/rewriter.h",
     "src/regexp/bytecodes-irregexp.h",
     "src/regexp/interpreter-irregexp.cc",
@@ skipping 69 matching lines @@
     "src/splay-tree.h",
     "src/splay-tree-inl.h",
     "src/snapshot/snapshot.h",
     "src/startup-data-util.h",
     "src/startup-data-util.cc",
     "src/string-builder.cc",
     "src/string-builder.h",
     "src/string-search.h",
     "src/string-stream.cc",
     "src/string-stream.h",
-    "src/strings-storage.cc",
-    "src/strings-storage.h",
     "src/strtod.cc",
     "src/strtod.h",
     "src/token.cc",
     "src/token.h",
     "src/transitions-inl.h",
     "src/transitions.cc",
     "src/transitions.h",
     "src/type-feedback-vector-inl.h",
     "src/type-feedback-vector.cc",
     "src/type-feedback-vector.h",
@@ skipping 590 matching lines @@
     if (!is_component_build) {
       sources += [
         "$target_gen_dir/d8-js.cc",
       ]
     }
     if (v8_enable_i18n_support) {
       deps += [ "//third_party/icu" ]
     }
   }
 }