Remove now-unnecessary .obj() in Java method calls.

base/android/content_uri_utils.cc

Index: base/android/content_uri_utils.cc
diff --git a/base/android/content_uri_utils.cc b/base/android/content_uri_utils.cc
index e35505fecec915f7d51d87be037f6119cba19f81..f7484cf5c724a63a34fdb6c8fcbfd2fb94ba4925 100644
--- a/base/android/content_uri_utils.cc
+++ b/base/android/content_uri_utils.cc
@@ -19,7 +19,7 @@ bool ContentUriExists(const FilePath& content_uri) {
   ScopedJavaLocalRef<jstring> j_uri =
       ConvertUTF8ToJavaString(env, content_uri.value());
   return Java_ContentUriUtils_contentUriExists(
-      env, base::android::GetApplicationContext(), j_uri.obj());
+      env, base::android::GetApplicationContext(), j_uri);
 }
 
 File OpenContentUriForRead(const FilePath& content_uri) {
@@ -27,7 +27,7 @@ File OpenContentUriForRead(const FilePath& content_uri) {
   ScopedJavaLocalRef<jstring> j_uri =
       ConvertUTF8ToJavaString(env, content_uri.value());
   jint fd = Java_ContentUriUtils_openContentUriForRead(
-      env, base::android::GetApplicationContext(), j_uri.obj());
+      env, base::android::GetApplicationContext(), j_uri);
   if (fd < 0)
     return File();
   return File(fd);
@@ -37,9 +37,8 @@ std::string GetContentUriMimeType(const FilePath& content_uri) {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jstring> j_uri =
       ConvertUTF8ToJavaString(env, content_uri.value());
-  ScopedJavaLocalRef<jstring> j_mime =
-      Java_ContentUriUtils_getMimeType(
-          env, base::android::GetApplicationContext(), j_uri.obj());
+  ScopedJavaLocalRef<jstring> j_mime = Java_ContentUriUtils_getMimeType(
+      env, base::android::GetApplicationContext(), j_uri);
   if (j_mime.is_null())
     return std::string();