[Cronet] Build static libcronet.a for iOS with complete dependencies.

components/cronet/tools/package_ios.py

Index: components/cronet/tools/package_ios.py
diff --git a/components/cronet/tools/package_ios.py b/components/cronet/tools/package_ios.py
index 956d545b9c900d3751c12ec5cd7ef59bfadf6614..bb8087f4a747689b4af9ae2a1e31f0e674c7cb23 100755
--- a/components/cronet/tools/package_ios.py
+++ b/components/cronet/tools/package_ios.py
@@ -122,6 +122,13 @@ def package_ios_framework_using_gn(out_dir='out/Framework', extra_options=''):
       shutil.copytree(os.path.join(build_dir, 'Cronet.dSYM'),
           os.path.join(out_dir, target_dir, 'Cronet.framework.dSYM'))
 
+      # Copy static library.
+      shutil.copy2(os.path.join(build_dir, 'cronet', 'libcronet.a'),
+          os.path.join(out_dir, target_dir))
+      # Copy static framework.
+      shutil.copytree(os.path.join(build_dir, 'CronetStatic.framework'),
+          os.path.join(out_dir, 'Static', target_dir, 'Cronet.framework'))
+
   # Copy common files from last built package.
   package_dir = os.path.join(build_dir, 'cronet')
   shutil.copy2(os.path.join(package_dir, 'AUTHORS'), out_dir)