[android_webview] Hardcode the default text encoding to UTF-8.

android_webview/java/src/org/chromium/android_webview/AwResource.java

Index: android_webview/java/src/org/chromium/android_webview/AwResource.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwResource.java b/android_webview/java/src/org/chromium/android_webview/AwResource.java
index b5c1a5468a48d3488ef39e34047ff36b43f1b84c..e74206d5ebb84fcc9b9758cd212bbd87b7ca18fb 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwResource.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwResource.java
@@ -32,9 +32,6 @@ public class AwResource {
     // a generic load error. (It's called NO_DOMAIN for legacy reasons).
     private static int sRawNoDomain;
 
-    // String resource ID for the default text encoding to use.
-    private static int sStringDefaultTextEncoding;
-
     // Array resource ID for the configuration of platform specific key-systems.
     private static int sStringArrayConfigKeySystemUUIDMapping;
 
@@ -58,20 +55,11 @@ public class AwResource {
         sRawNoDomain = nodomain;
     }
 
-    public static void setDefaultTextEncoding(int encoding) {
-        sStringDefaultTextEncoding = encoding;
-    }
-
     public static void setConfigKeySystemUuidMapping(int config) {
         sStringArrayConfigKeySystemUUIDMapping = config;
     }
 
     @CalledByNative
-    public static String getDefaultTextEncoding() {
-        return getResource(sStringDefaultTextEncoding, TYPE_STRING);
-    }
-
-    @CalledByNative
     public static String getNoDomainPageContent() {
         return getResource(sRawNoDomain, TYPE_RAW);
     }