Replace java_files with sources in //weblayer

Replace usages of java_files with sources in above directory's gn files,
and automatically format.

TBR=alexclarke@chromium.org

Bug: 1035074
Change-Id: I791a807262f2e03186776a7fbcfa1f3aeba3f93c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1980903Reviewed-by: Natalie Chouinard <chouinard@chromium.org>
Commit-Queue: Natalie Chouinard <chouinard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#727220}

weblayer/browser/android/javatests/BUILD.gn

@@ -7,7 +7,7 @@ import("//build/config/android/rules.gni")
 
 android_library("weblayer_java_tests") {
   testonly = true
-  java_files = [
+  sources = [
     "src/org/chromium/weblayer/test/BrowserFragmentLifecycleTest.java",
     "src/org/chromium/weblayer/test/CrashReporterTest.java",
     "src/org/chromium/weblayer/test/DataClearingTest.java",
@@ -17,7 +17,6 @@ android_library("weblayer_java_tests") {
     "src/org/chromium/weblayer/test/ExecuteScriptTest.java",
     "src/org/chromium/weblayer/test/FullscreenCallbackTest.java",
     "src/org/chromium/weblayer/test/InputTypesTest.java",
-    "src/org/chromium/weblayer/test/WebLayerJUnit4ClassRunner.java",
     "src/org/chromium/weblayer/test/InstrumentationActivityTestRule.java",
     "src/org/chromium/weblayer/test/NavigationTest.java",
     "src/org/chromium/weblayer/test/NavigationWaiter.java",
@@ -29,6 +28,7 @@ android_library("weblayer_java_tests") {
     "src/org/chromium/weblayer/test/TabCallbackTest.java",
     "src/org/chromium/weblayer/test/TabListCallbackTest.java",
     "src/org/chromium/weblayer/test/TopControlsTest.java",
+    "src/org/chromium/weblayer/test/WebLayerJUnit4ClassRunner.java",
     "src/org/chromium/weblayer/test/WebLayerLoadingTest.java",
   ]
   deps = [

weblayer/browser/java/BUILD.gn

@@ -24,7 +24,7 @@ java_cpp_enum("generated_enums") {
 }
 
 android_library("java") {
-  java_files = [
+  sources = [
     "org/chromium/weblayer_private/ActionModeCallback.java",
     "org/chromium/weblayer_private/BrowserFragmentImpl.java",
     "org/chromium/weblayer_private/BrowserImpl.java",
@@ -108,7 +108,7 @@ generate_jni("jni") {
 }
 
 android_library("interfaces_java") {
-  java_files = [
+  sources = [
     "org/chromium/weblayer_private/interfaces/APICallException.java",
     "org/chromium/weblayer_private/interfaces/BrowserFragmentArgs.java",
     "org/chromium/weblayer_private/interfaces/BrowsingDataType.java",
@@ -130,7 +130,7 @@ android_library("interfaces_java") {
 # java classes. It compiles the abstract class; implementations are compiled
 # separately.
 android_library("gms_bridge_java") {
-  java_files = [
+  sources = [
     "org/chromium/weblayer_private/GmsBridge.java",
     "org/chromium/weblayer_private/GmsBridgeImpl.java",
   ]
@@ -146,7 +146,9 @@ android_library("gms_bridge_java") {
 
 # This target compiles the implementation of GmsBridge for public targets.
 android_library("gms_bridge_upstream_impl_java") {
-  java_files = [ "org/chromium/weblayer_private/GmsBridgeImpl.java" ]
+  sources = [
+    "org/chromium/weblayer_private/GmsBridgeImpl.java",
+  ]
   deps = [
     ":gms_bridge_java",
   ]

weblayer/public/java/BUILD.gn

@@ -24,7 +24,7 @@ android_resources("client_resources") {
 }
 
 android_library("java") {
-  java_files = [
+  sources = [
     "org/chromium/weblayer/Browser.java",
     "org/chromium/weblayer/BrowserFragment.java",
     "org/chromium/weblayer/BrowsingDataType.java",

weblayer/public/javatests/BUILD.gn

@@ -7,7 +7,9 @@ import("//build/config/android/rules.gni")
 
 android_library("weblayer_public_javatests") {
   testonly = true
-  java_files = [ "org/chromium/weblayer/ObserverListTest.java" ]
+  sources = [
+    "org/chromium/weblayer/ObserverListTest.java",
+  ]
   deps = [
     "//base:base_java_test_support",
     "//third_party/junit:junit",

weblayer/shell/android/BUILD.gn

@@ -34,7 +34,7 @@ android_library("weblayer_shell_java") {
     "//third_party/android_deps:android_support_v4_java",
     "//weblayer/public/java",
   ]
-  java_files = [
+  sources = [
     "shell_apk/src/org/chromium/weblayer/shell/InstrumentationActivity.java",
     "shell_apk/src/org/chromium/weblayer/shell/WebLayerShellActivity.java",
   ]

weblayer/test/BUILD.gn

@@ -23,7 +23,7 @@ if (is_android) {
 
   android_library("weblayer_browsertests_java") {
     testonly = true
-    java_files = [
+    sources = [
       "../shell/android/browsertests_apk/src/org/chromium/weblayer_browsertests_apk/WebLayerBrowserTestsActivity.java",
       "../shell/android/browsertests_apk/src/org/chromium/weblayer_browsertests_apk/WebLayerBrowserTestsApplication.java",
     ]