Enable Java 8 by default

build/config/android/internal_rules.gni

 # Copyright 2014 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.
 
 # Do not add any imports to non-//build directories here.
 # Some projects (e.g. V8) do not have non-build directories DEPS'ed in.
 import("//build_overrides/build.gni")
 import("//build/config/android/config.gni")
 import("//build/config/dcheck_always_on.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 1034 matching lines @@
       _jar_excluded_patterns = invoker.jar_excluded_patterns
     }
     _strip_resource_classes = defined(invoker.strip_resource_classes) &&
                               invoker.strip_resource_classes
     _filter_jar = _jar_excluded_patterns != [] || _strip_resource_classes
 
     _enable_assert =
         defined(invoker.supports_android) && invoker.supports_android &&
         (is_java_debug || dcheck_always_on)
 
-    _retrolambda = defined(invoker.supports_android) &&
-                   invoker.supports_android && use_java8
+    _retrolambda = defined(invoker.supports_android) && invoker.supports_android
 
     _deps = []
     _previous_output_jar = _input_jar_path
 
     if (_filter_jar) {
       _filter_target = "${target_name}__filter"
       _filter_input_jar = _previous_output_jar
       _filter_output_jar = "$target_out_dir/$target_name-filtered.jar"
 
       action(_filter_target) {
@@ skipping 1004 matching lines @@
         inputs += [ invoker.java_sources_file ]
       }
 
       _rebased_java_srcjars = rebase_path(_java_srcjars, root_build_dir)
       _rebased_depfile = rebase_path(depfile, root_build_dir)
       args = [
         "--depfile=$_rebased_depfile",
         "--jar-path=$_rebased_jar_path",
         "--java-srcjars=$_rebased_java_srcjars",
         "--java-srcjars=@FileArg($_rebased_build_config:javac:srcjars)",
+        "--java-version=1.8",
       ]
       if (_enable_interface_jars_javac) {
         args += [ "--classpath=@FileArg($_rebased_build_config:javac:interface_classpath)" ]
       } else {
         args +=
             [ "--classpath=@FileArg($_rebased_build_config:javac:classpath)" ]
       }
       if (_enable_incremental_javac) {
         args += [ "--incremental" ]
         deps += [ "//third_party/jmake($default_toolchain)" ]
         inputs += [ "$root_build_dir/bin/jmake" ]
         outputs += [ "${_javac_jar_path}.pdb" ]
       }
       if (_requires_android) {
         if (defined(invoker.alternative_android_sdk_ijar)) {
           deps += [ invoker.alternative_android_sdk_ijar_dep ]
           _android_sdk_ijar = invoker.alternative_android_sdk_ijar
         } else {
           deps += [ "//build/android:android_ijar" ]
           _android_sdk_ijar = "$root_out_dir/lib.java/android.interface.jar"
         }
         inputs += [ _android_sdk_ijar ]
         _rebased_android_sdk_ijar =
             rebase_path(_android_sdk_ijar, root_build_dir)
         args += [ "--bootclasspath=$_rebased_android_sdk_ijar" ]
       }
-      if (use_java8) {
-        args += [ "--java-version=1.8" ]
-      } else if (_supports_android) {
-        args += [ "--java-version=1.7" ]
-      }
       foreach(e, _manifest_entries) {
         args += [ "--manifest-entry=" + e ]
       }
       if (_chromium_code) {
         args += [ "--chromium-code=1" ]
       }
       if (_enable_errorprone) {
         deps += [ "//third_party/errorprone:chromium_errorprone" ]
         args += [
           "--use-errorprone-path",
@@ skipping 652 matching lines @@
         rebase_path(root_build_dir, root_build_dir),
         "--packed-libraries-dir",
         rebase_path(_packed_libraries_dir, root_build_dir),
         "--libraries=${invoker.libraries_filearg}",
         "--filelistjson",
         rebase_path(invoker.file_list_json, root_build_dir),
       ]
     }
   }
 }