[Android] Upstream WebView.allow{Content|File}Access implementation.

android_webview/java/src/org/chromium/android_webview/AwSettings.java

Index: android_webview/java/src/org/chromium/android_webview/AwSettings.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwSettings.java b/android_webview/java/src/org/chromium/android_webview/AwSettings.java
index a6d2e17509bfdd9e22798632c0895e13d8e06fa5..8b5ca999c069f6a391c379d372ef5a0d51f9215c 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwSettings.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwSettings.java
@@ -21,6 +21,8 @@ public class AwSettings {
 
     private final Context mContext;
     private boolean mBlockNetworkLoads;  // Default depends on permission of embedding APK.
+    private boolean mAllowContentUrlAccess = true;
+    private boolean mAllowFileUrlAccess = true;
 
     public AwSettings(Context context) {
         mContext = context;
@@ -54,4 +56,44 @@ public class AwSettings {
             return mBlockNetworkLoads;
         }
     }
+
+    /**
+     * See {@link android.webkit.WebSettings#setAllowFileAccess}.
+     */
+    public void setAllowFileAccess(boolean allow) {
+        synchronized (mAwSettingsLock) {
+            if (mAllowFileUrlAccess != allow) {
+                mAllowFileUrlAccess = allow;
+            }
+        }
+    }
+
+    /**
+     * See {@link android.webkit.WebSettings#getAllowFileAccess}.
+     */
+    public boolean getAllowFileAccess() {
+        synchronized (mAwSettingsLock) {
+            return mAllowFileUrlAccess;
+        }
+    }
+
+    /**
+     * See {@link android.webkit.WebSettings#setAllowContentAccess}.
+     */
+    public void setAllowContentAccess(boolean allow) {
+        synchronized (mAwSettingsLock) {
+            if (mAllowContentUrlAccess != allow) {
+                mAllowContentUrlAccess = allow;
+            }
+        }
+    }
+
+    /**
+     * See {@link android.webkit.WebSettings#getAllowContentAccess}.
+     */
+    public boolean getAllowContentAccess() {
+        synchronized (mAwSettingsLock) {
+            return mAllowContentUrlAccess;
+        }
+    }
 }