jni_generator: handle inner class natives properly.

base/android/jni_generator/testNativeExportsOptionalOption.golden

Index: base/android/jni_generator/testNativeExportsOptionalOption.golden
diff --git a/base/android/jni_generator/testNativeExportsOptionalOption.golden b/base/android/jni_generator/testNativeExportsOptionalOption.golden
index 03484c9ea250381a0f47fa41343c3f22d32a46a1..6a4c1426253f571c40a7bb989bb73a3f2397e96e 100644
--- a/base/android/jni_generator/testNativeExportsOptionalOption.golden
+++ b/base/android/jni_generator/testNativeExportsOptionalOption.golden
@@ -18,9 +18,19 @@
 
 // Step 1: forward declarations.
 namespace {
+const char kMyOtherInnerClassClassPath[] =
+    "org/chromium/example/jni_generator/SampleForTests$MyOtherInnerClass";
+const char kMyInnerClassClassPath[] =
+    "org/chromium/example/jni_generator/SampleForTests$MyInnerClass";
 const char kSampleForTestsClassPath[] =
     "org/chromium/example/jni_generator/SampleForTests";
 // Leaking this jclass as we cannot use LazyInstance from some threads.
+base::subtle::AtomicWord g_MyOtherInnerClass_clazz __attribute__((unused)) = 0;
+#define MyOtherInnerClass_clazz(env) base::android::LazyGetClass(env, kMyOtherInnerClassClassPath, &g_MyOtherInnerClass_clazz)
+// Leaking this jclass as we cannot use LazyInstance from some threads.
+base::subtle::AtomicWord g_MyInnerClass_clazz __attribute__((unused)) = 0;
+#define MyInnerClass_clazz(env) base::android::LazyGetClass(env, kMyInnerClassClassPath, &g_MyInnerClass_clazz)
+// Leaking this jclass as we cannot use LazyInstance from some threads.
 base::subtle::AtomicWord g_SampleForTests_clazz __attribute__((unused)) = 0;
 #define SampleForTests_clazz(env) base::android::LazyGetClass(env, kSampleForTestsClassPath, &g_SampleForTests_clazz)