Revert "Remove references to crash_service, which is no longer needed."

scripts/slave/recipe_modules/chromium_tests/api.py

Index: scripts/slave/recipe_modules/chromium_tests/api.py
diff --git a/scripts/slave/recipe_modules/chromium_tests/api.py b/scripts/slave/recipe_modules/chromium_tests/api.py
index 948714717e4dbc9222c2876d4f236dc7bdec5956..24b88f953590f2e3b346fea326a51754dd5f14c1 100644
--- a/scripts/slave/recipe_modules/chromium_tests/api.py
+++ b/scripts/slave/recipe_modules/chromium_tests/api.py
@@ -322,7 +322,15 @@ class ChromiumTestsApi(recipe_api.RecipeApi):
         "bot_db argument %r was not a BotConfigAndTestDB" % (bot_db)
 
     compile_targets = bot_config.get_compile_targets(self, bot_db, tests)
-    return sorted(set(compile_targets))
+
+    # Only add crash_service when we have explicit compile targets.
+    compile_targets = set(compile_targets)
+    if (self.m.platform.is_win and
+        compile_targets and
+        'all' not in compile_targets):
+      compile_targets.add('crash_service')
+
+    return sorted(compile_targets)
 
   def transient_check(self, update_step, command):
     """Runs command, checking for transience if this is a try job.
@@ -556,6 +564,9 @@ class ChromiumTestsApi(recipe_api.RecipeApi):
           perf_setup=perf_setup,
           remove_system_webview=remove_system_webview)
 
+    if self.m.platform.is_win:
+      self.m.chromium.crash_handler()
+
     try:
       yield
     finally:
@@ -696,6 +707,13 @@ class ChromiumTestsApi(recipe_api.RecipeApi):
 
     compile_targets = self.m.filter.compile_targets[:]
 
+    # Add crash_service to compile_targets. This is done after filtering compile
+    # targets out because crash_service should always be there on windows.
+    # TODO(akuegel): Need to solve this in a better way. crbug.com/478053
+    if (self.m.platform.is_win and compile_targets and
+        'crash_service' not in compile_targets):
+      compile_targets.extend(['crash_service'])
+
     # Emit more detailed output useful for debugging.
     analyze_details = {
         'test_targets': test_targets,