Convert gn docstrings to C++11 raw strings.

tools/gn/functions_target_unittest.cc

 // Copyright (c) 2013 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.
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/scheduler.h"
 #include "tools/gn/scope.h"
 #include "tools/gn/test_with_scope.h"
 
 
@@ skipping 32 matching lines @@
 TEST(FunctionsTarget, TemplateDefaults) {
   Scheduler scheduler;
   TestWithScope setup;
 
   // The target generator needs a place to put the targets or it will fail.
   Scope::ItemVector item_collector;
   setup.scope()->set_item_collector(&item_collector);
 
   // Test a good one first.
   TestParseInput good_input(
-      // Make a template with defaults set.
-      "template(\"my_templ\") {\n"
-      "  source_set(target_name) {\n"
-      "    forward_variables_from(invoker, \"*\")\n"
-      "  }\n"
-      "}\n"
-      "set_defaults(\"my_templ\") {\n"
-      "  default_value = 1\n"
-      "}\n"
+      R"(# Make a template with defaults set.
+      template("my_templ") {
+        source_set(target_name) {
+          forward_variables_from(invoker, "*")
+        }
+      }
+      set_defaults("my_templ") {
+        default_value = 1
+      }
 
-      // Invoke the template with target(). This will fail to execute if the
-      // defaults were not set properly, because "default_value" won't exist.
-      "target(\"my_templ\", \"foo\") {\n"
-      "  print(default_value)\n"
-      "}\n");
+      # Invoke the template with target(). This will fail to execute if the
+      # defaults were not set properly, because "default_value" won't exist.
+      target("my_templ", "foo") {
+        print(default_value)
+      })");

[scottmg, 2016/11/08 01:01:46]

here

   ASSERT_FALSE(good_input.has_error());
   Err err;
   good_input.parsed()->Execute(setup.scope(), &err);
   ASSERT_FALSE(err.has_error()) << err.message();
 }