[Android] Refactor browser test execution.

build/android/pylib/gtest/gtest_test_instance.py

Index: build/android/pylib/gtest/gtest_test_instance.py
diff --git a/build/android/pylib/gtest/gtest_test_instance.py b/build/android/pylib/gtest/gtest_test_instance.py
index ed1190fc469e38093f0280fc2b20e1e73a91b365..3285e0b698529a91b09817e9f9448a00cac94d87 100644
--- a/build/android/pylib/gtest/gtest_test_instance.py
+++ b/build/android/pylib/gtest/gtest_test_instance.py
@@ -12,6 +12,7 @@ import tempfile
 from pylib import constants
 from pylib.base import base_test_result
 from pylib.base import test_instance
+from pylib.utils import apk_helper
 
 sys.path.append(os.path.join(
     constants.DIR_SOURCE_ROOT, 'build', 'util', 'lib', 'common'))
@@ -24,6 +25,29 @@ BROWSER_TEST_SUITES = [
 ]
 
 
+_DEFAULT_ISOLATE_FILE_PATHS = {
+    'base_unittests': 'base/base_unittests.isolate',
+    'blink_heap_unittests':
+      'third_party/WebKit/Source/platform/heap/BlinkHeapUnitTests.isolate',
+    'breakpad_unittests': 'breakpad/breakpad_unittests.isolate',
+    'cc_perftests': 'cc/cc_perftests.isolate',
+    'components_browsertests': 'components/components_browsertests.isolate',
+    'components_unittests': 'components/components_unittests.isolate',
+    'content_browsertests': 'content/content_browsertests.isolate',
+    'content_unittests': 'content/content_unittests.isolate',
+    'media_perftests': 'media/media_perftests.isolate',
+    'media_unittests': 'media/media_unittests.isolate',
+    'midi_unittests': 'media/midi/midi_unittests.isolate',
+    'net_unittests': 'net/net_unittests.isolate',
+    'sql_unittests': 'sql/sql_unittests.isolate',
+    'sync_unit_tests': 'sync/sync_unit_tests.isolate',
+    'ui_base_unittests': 'ui/base/ui_base_tests.isolate',
+    'unit_tests': 'chrome/unit_tests.isolate',
+    'webkit_unit_tests':
+      'third_party/WebKit/Source/web/WebKitUnitTests.isolate',
+}
+
+
 # Used for filtering large data deps at a finer grain than what's allowed in
 # isolate files since pushing deps to devices is expensive.
 # Wildcards are allowed.
@@ -47,6 +71,13 @@ _DEPS_EXCLUSION_LIST = [
 ]
 
 
+_EXTRA_NATIVE_TEST_ACTIVITY = (
+    'org.chromium.native_test.NativeTestInstrumentationTestRunner.'
+        'NativeTestActivity')
+_EXTRA_SHARD_SIZE_LIMIT =(
+    'org.chromium.native_test.NativeTestInstrumentationTestRunner.'
+        'ShardSizeLimit')
+
 # TODO(jbudorick): Remove these once we're no longer parsing stdout to generate
 # results.
 _RE_TEST_STATUS = re.compile(
@@ -106,6 +137,20 @@ class GtestTestInstance(test_instance.TestInstance):
                                   self._suite)
     if not os.path.exists(self._apk_path):
       self._apk_path = None
+      self._activity = None
+      self._package = None
+      self._runner = None
+    else:
+      helper = apk_helper.ApkHelper(self._apk_path)
+      self._activity = helper.GetActivityName()
+      self._package = helper.GetPackageName()
+      self._runner = helper.GetInstrumentationName()
+      self._extras = {
+        _EXTRA_NATIVE_TEST_ACTIVITY: self._activity,
+      }
+      if self._suite in BROWSER_TEST_SUITES:
+        self._extras[_EXTRA_SHARD_SIZE_LIMIT] = 1
+
     if not os.path.exists(self._exe_path):
       self._exe_path = None
     if not self._apk_path and not self._exe_path:
@@ -119,6 +164,13 @@ class GtestTestInstance(test_instance.TestInstance):
         self._gtest_filter = ':'.join(l.strip() for l in f)
     else:
       self._gtest_filter = None
+
+    if not args.isolate_file_path:
+      default_isolate_file_path = _DEFAULT_ISOLATE_FILE_PATHS.get(self._suite)
+      if default_isolate_file_path:
+        args.isolate_file_path = os.path.join(
+            constants.DIR_SOURCE_ROOT, default_isolate_file_path)
+
     if args.isolate_file_path:
       self._isolate_abs_path = os.path.abspath(args.isolate_file_path)
       self._isolate_delegate = isolate_delegate
@@ -240,6 +292,10 @@ class GtestTestInstance(test_instance.TestInstance):
       self._isolate_delegate.Clear()
 
   @property
+  def activity(self):
+    return self._activity
+
+  @property
   def apk(self):
     return self._apk_path
 
@@ -256,6 +312,18 @@ class GtestTestInstance(test_instance.TestInstance):
     return self._exe_path
 
   @property
+  def extras(self):
+    return self._extras
+
+  @property
+  def package(self):
+    return self._package
+
+  @property
+  def runner(self):
+    return self._runner
+
+  @property
   def suite(self):
     return self._suite