DO NOT MERGE Add webkit plumbing for file origin policy

Bug: 6212665

This is a cherry-pick from master branch. sha:
     0ea6dad65eb77f9347a59704b1f8a019cfc9e01f

(cherry picked from commit 57633fd)

Change-Id: I9c2fa81aa3e16d39ed79d171ae09b1f99d9e7082

Source/WebKit/android/jni/WebSettings.cpp

@@ -95,6 +95,8 @@ struct FieldIds {
 #endif
         mBlockNetworkLoads = env->GetFieldID(clazz, "mBlockNetworkLoads", "Z");
         mJavaScriptEnabled = env->GetFieldID(clazz, "mJavaScriptEnabled", "Z");
+        mAllowUniversalAccessFromFileURLs = env->GetFieldID(clazz, "mAllowUniversalAccessFromFileURLs", "Z");
+        mAllowFileAccessFromFileURLs = env->GetFieldID(clazz, "mAllowFileAccessFromFileURLs", "Z");
         mPluginState = env->GetFieldID(clazz, "mPluginState",
                 "Landroid/webkit/WebSettings$PluginState;");
 #if ENABLE(DATABASE)
@@ -171,6 +173,10 @@ struct FieldIds {
 #endif
         LOG_ASSERT(mBlockNetworkLoads, "Could not find field mBlockNetworkLoads");
         LOG_ASSERT(mJavaScriptEnabled, "Could not find field mJavaScriptEnabled");
+        LOG_ASSERT(mAllowUniversalAccessFromFileURLs,
+                    "Could not find field mAllowUniversalAccessFromFileURLs");
+        LOG_ASSERT(mAllowFileAccessFromFileURLs,
+                    "Could not find field mAllowFileAccessFromFileURLs");
         LOG_ASSERT(mPluginState, "Could not find field mPluginState");
 #if ENABLE(OFFLINE_WEB_APPLICATIONS)
         LOG_ASSERT(mAppCacheEnabled, "Could not find field mAppCacheEnabled");
@@ -218,6 +224,8 @@ struct FieldIds {
 #endif
     jfieldID mBlockNetworkLoads;
     jfieldID mJavaScriptEnabled;
+    jfieldID mAllowUniversalAccessFromFileURLs;
+    jfieldID mAllowFileAccessFromFileURLs;
     jfieldID mPluginState;
 #if ENABLE(OFFLINE_WEB_APPLICATIONS)
     jfieldID mAppCacheEnabled;
@@ -409,6 +417,12 @@ class WebSettings {
         flag = env->GetBooleanField(obj, gFieldIds->mJavaScriptEnabled);
         s->setJavaScriptEnabled(flag);
 
+        flag = env->GetBooleanField(obj, gFieldIds->mAllowUniversalAccessFromFileURLs);
+        s->setAllowUniversalAccessFromFileURLs(flag);
+
+        flag = env->GetBooleanField(obj, gFieldIds->mAllowFileAccessFromFileURLs);
+        s->setAllowFileAccessFromFileURLs(flag);
+
         // ON = 0
         // ON_DEMAND = 1
         // OFF = 2