Replace SystemUIResourceManager with ResourceManager

ui/android/java/src/org/chromium/ui/resources/ResourceManager.java

Index: ui/android/java/src/org/chromium/ui/resources/ResourceManager.java
diff --git a/ui/android/java/src/org/chromium/ui/resources/ResourceManager.java b/ui/android/java/src/org/chromium/ui/resources/ResourceManager.java
index d6574fe5602a9842d3a360e8e4df8150cf9ce632..ae0a9b9310879b5cad8150403295bb10a385b98c 100644
--- a/ui/android/java/src/org/chromium/ui/resources/ResourceManager.java
+++ b/ui/android/java/src/org/chromium/ui/resources/ResourceManager.java
@@ -31,14 +31,15 @@ public class ResourceManager implements ResourceLoaderCallback {
     private final float mPxToDp;
 
     private long mNativeResourceManagerPtr;
+    private Resources mResources;
 
     private ResourceManager(Context context, long staticResourceManagerPtr) {
-        Resources resources = context.getResources();
-        mPxToDp = 1.f / resources.getDisplayMetrics().density;
+        mResources = context.getResources();
+        mPxToDp = 1.f / mResources.getDisplayMetrics().density;
 
         // Register ResourceLoaders
         registerResourceLoader(new StaticResourceLoader(
-                AndroidResourceType.STATIC, this, resources));
+                AndroidResourceType.STATIC, this, mResources));
         registerResourceLoader(new DynamicResourceLoader(
                 AndroidResourceType.DYNAMIC, this));
         registerResourceLoader(new DynamicResourceLoader(
@@ -157,6 +158,11 @@ public class ResourceManager implements ResourceLoaderCallback {
         return mNativeResourceManagerPtr;
     }
 
+    @CalledByNative
+    private int getAndroidResourceIdFromString(String resName) {
+        return mResources.getIdentifier(resName, null, null);
+    }
+
     private void registerResourceLoader(ResourceLoader loader) {
         mResourceLoaders.put(loader.getResourceType(), loader);
     }