Update from https://crrev.com/327068

build/android/gyp/write_build_config.py

Index: build/android/gyp/write_build_config.py
diff --git a/build/android/gyp/write_build_config.py b/build/android/gyp/write_build_config.py
index 5fc8955b226801258a5e4f8ac64beb7f133bf66c..1b4379d3b97eb2e1e40780d41584f0953684f345 100755
--- a/build/android/gyp/write_build_config.py
+++ b/build/android/gyp/write_build_config.py
@@ -29,11 +29,43 @@ Note: If paths to input files are passed in this way, it is important that:
 import optparse
 import os
 import sys
+import xml.dom.minidom
 
 from util import build_utils
 
 import write_ordered_libraries
 
+class AndroidManifest(object):
+  def __init__(self, path):
+    self.path = path
+    dom = xml.dom.minidom.parse(path)
+    manifests = dom.getElementsByTagName('manifest')
+    assert len(manifests) == 1
+    self.manifest = manifests[0]
+
+  def GetInstrumentation(self):
+    instrumentation_els = self.manifest.getElementsByTagName('instrumentation')
+    if len(instrumentation_els) == 0:
+      return None
+    if len(instrumentation_els) != 1:
+      raise Exception(
+          'More than one <instrumentation> element found in %s' % self.path)
+    return instrumentation_els[0]
+
+  def CheckInstrumentation(self, expected_package):
+    instr = self.GetInstrumentation()
+    if not instr:
+      raise Exception('No <instrumentation> elements found in %s' % self.path)
+    instrumented_package = instr.getAttributeNS(
+        'http://schemas.android.com/apk/res/android', 'targetPackage')
+    if instrumented_package != expected_package:
+      raise Exception(
+          'Wrong instrumented package. Expected %s, got %s'
+          % (expected_package, instrumented_package))
+
+  def GetPackageName(self):
+    return self.manifest.getAttribute('package')
+
 
 dep_config_cache = {}
 def GetDepConfig(path):
@@ -88,6 +120,10 @@ def main(argv):
   parser.add_option('--native-libs', help='List of top-level native libs.')
   parser.add_option('--readelf-path', help='Path to toolchain\'s readelf.')
 
+  parser.add_option('--tested-apk-config',
+      help='Path to the build config of the tested apk (for an instrumentation '
+      'test apk).')
+
   options, args = parser.parse_args(argv)
 
   if args:
@@ -154,7 +190,6 @@ def main(argv):
   }
   deps_info = config['deps_info']
 
-
   if options.type == 'java_library' and not options.bypass_platform_checks:
     deps_info['requires_android'] = options.requires_android
     deps_info['supports_android'] = options.supports_android
@@ -172,7 +207,6 @@ def main(argv):
       raise Exception('Not all deps support the Android platform: ' +
           str(deps_not_support_android))
 
-
   if options.type in ['java_library', 'android_apk']:
     javac_classpath = [c['jar_path'] for c in direct_library_deps]
     java_full_classpath = [c['jar_path'] for c in all_library_deps]
@@ -216,14 +250,31 @@ def main(argv):
     config['resources']['extra_package_names'] = [
         c['package_name'] for c in all_resources_deps if 'package_name' in c]
 
+  if options.type in ['android_apk', 'deps_dex']:
+    deps_dex_files = [c['dex_path'] for c in all_library_deps]
+
+  # An instrumentation test apk should exclude the dex files that are in the apk
+  # under test.
+  if options.type == 'android_apk' and options.tested_apk_config:
+    tested_apk_config_paths = GetAllDepsConfigsInOrder(
+        [options.tested_apk_config])
+    tested_apk_configs = [GetDepConfig(p) for p in tested_apk_config_paths]
+    tested_apk_library_deps = DepsOfType('java_library', tested_apk_configs)
+    tested_apk_deps_dex_files = [c['dex_path'] for c in tested_apk_library_deps]
+    deps_dex_files = [
+        p for p in deps_dex_files if not p in tested_apk_deps_dex_files]
+
+    tested_apk_config = GetDepConfig(options.tested_apk_config)
+    expected_tested_package = tested_apk_config['package_name']
+    AndroidManifest(options.android_manifest).CheckInstrumentation(
+        expected_tested_package)
 
   # Dependencies for the final dex file of an apk or a 'deps_dex'.
   if options.type in ['android_apk', 'deps_dex']:
     config['final_dex'] = {}
     dex_config = config['final_dex']
     # TODO(cjhopman): proguard version
-    dex_deps_files = [c['dex_path'] for c in all_library_deps]
-    dex_config['dependency_dex_files'] = dex_deps_files
+    dex_config['dependency_dex_files'] = deps_dex_files
 
   if options.type == 'android_apk':
     config['dist_jar'] = {
@@ -231,6 +282,11 @@ def main(argv):
         c['jar_path'] for c in all_library_deps
       ]
     }
+    manifest = AndroidManifest(options.android_manifest)
+    deps_info['package_name'] = manifest.GetPackageName()
+    if not options.tested_apk_config and manifest.GetInstrumentation():
+      # This must then have instrumentation only for itself.
+      manifest.CheckInstrumentation(manifest.GetPackageName())
 
     library_paths = []
     java_libraries_list = []