Remove data reduction proxy code.

android_webview/java/src/org/chromium/android_webview/AwDataReductionProxyManager.java

Index: android_webview/java/src/org/chromium/android_webview/AwDataReductionProxyManager.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwDataReductionProxyManager.java b/android_webview/java/src/org/chromium/android_webview/AwDataReductionProxyManager.java
deleted file mode 100644
index d1c0aae36a5c641d5482ef9c031d275427fb9833..0000000000000000000000000000000000000000
--- a/android_webview/java/src/org/chromium/android_webview/AwDataReductionProxyManager.java
+++ /dev/null
@@ -1,160 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.android_webview;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.database.ContentObserver;
-import android.database.Cursor;
-import android.database.SQLException;
-import android.net.Uri;
-import android.os.AsyncTask;
-import android.os.Handler;
-
-import org.chromium.base.CommandLine;
-import org.chromium.base.Log;
-import org.chromium.base.ThreadUtils;
-
-import java.lang.reflect.Field;
-
-/**
- * Controls data reduction proxy.
- */
-public final class AwDataReductionProxyManager {
-    // The setting Uri. Used when querying GoogleSettings.
-    // TODO: This GoogleSettings Uri does not exist yet!
-    private static final Uri CONTENT_URI = Uri.parse("content://com.google.settings/partner");
-
-    // Setting name for allowing data reduction proxy. Used when querying GoogleSettings.
-    // Setting type: int ( 0 = disallow, 1 = allow )
-    private static final String WEBVIEW_DATA_REDUCTION_PROXY = "use_webview_data_reduction_proxy";
-
-    private static final String DRP_CLASS = "com.android.webview.chromium.Drp";
-    private static final String TAG = "DRP";
-
-    // This is the same as Chromium data_reduction_proxy::switches::kEnableDataReductionProxy.
-    private static final String ENABLE_DATA_REDUCTION_PROXY = "enable-spdy-proxy-auth";
-    // This is the same as Chromium data_reduction_proxy::switches::kDataReductionProxyKey.
-    private static final String DATA_REDUCTION_PROXY_KEY = "spdy-proxy-auth-value";
-
-    private ContentObserver mProxySettingObserver;
-
-    public AwDataReductionProxyManager() {}
-
-    public void start(final Context context) {
-        // This is the DRP key embedded in WebView apk.
-        final String embeddedKey = readKey();
-
-        // Developers could test DRP by passing ENABLE_DATA_REDUCTION_PROXY and (optionally)
-        // DATA_REDUCTION_PROXY_KEY to the commandline switches.  In this case, we will try to
-        // initialize DRP from commandline. And ignore user's preference.  If
-        // DATA_REDUCTION_PROXY_KEY is specified in commandline, use it.  Otherwise, use the key
-        // embedded in WebView apk.
-        CommandLine cl = CommandLine.getInstance();
-        if (cl.hasSwitch(ENABLE_DATA_REDUCTION_PROXY)) {
-            String key = cl.getSwitchValue(DATA_REDUCTION_PROXY_KEY, embeddedKey);
-            if (key == null || key.isEmpty()) {
-                return;
-            }
-
-            // Now we will enable DRP because we've got a commandline switch to enable it.
-            // We won't listen to Google Settings preference change because commandline switches
-            // trump that.
-            AwContentsStatics.setDataReductionProxyKey(key);
-            AwContentsStatics.setDataReductionProxyEnabled(true);
-            return;
-        }
-
-        // Now, there is no commandline switches to enable DRP, and reading the
-        // DRP key from WebView apk failed. Just return and leave DRP disabled.
-        if (embeddedKey == null || embeddedKey.isEmpty()) {
-            return;
-        }
-
-        applyDataReductionProxySettingsAsync(context, embeddedKey);
-        ContentResolver resolver = context.getContentResolver();
-        mProxySettingObserver = new ContentObserver(new Handler()) {
-            @Override
-            public void onChange(boolean selfChange, Uri uri) {
-                applyDataReductionProxySettingsAsync(context, embeddedKey);
-            }
-        };
-        resolver.registerContentObserver(
-                Uri.withAppendedPath(CONTENT_URI, WEBVIEW_DATA_REDUCTION_PROXY), false,
-                mProxySettingObserver);
-    }
-
-    private String readKey() {
-        try {
-            Class<?> cls = Class.forName(DRP_CLASS);
-            Field f = cls.getField("KEY");
-            return (String) f.get(null);
-        } catch (ClassNotFoundException ex) {
-            // Class not found is a normal case, simply log.
-            Log.i(TAG, "No DRP key due to exception:" + ex);
-        } catch (NoSuchFieldException ex) {
-            Log.e(TAG, "No DRP key due to exception:" + ex);
-        } catch (SecurityException ex) {
-            Log.e(TAG, "No DRP key due to exception:" + ex);
-        } catch (IllegalArgumentException ex) {
-            Log.e(TAG, "No DRP key due to exception:" + ex);
-        } catch (IllegalAccessException ex) {
-            Log.e(TAG, "No DRP key due to exception:" + ex);
-        } catch (NullPointerException ex) {
-            Log.e(TAG, "No DRP key due to exception:" + ex);
-        }
-        return null;
-    }
-
-    private static void applyDataReductionProxySettingsAsync(
-            final Context context, final String key) {
-        AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
-            @Override
-            public void run() {
-                final boolean enabled = isDataReductionProxyEnabled(context);
-
-                ThreadUtils.runOnUiThread(new Runnable() {
-                    @Override
-                    public void run() {
-                        if (enabled) {
-                            // Set the data reduction proxy key.
-                            AwContentsStatics.setDataReductionProxyKey(key);
-                        }
-                        AwContentsStatics.setDataReductionProxyEnabled(enabled);
-                    }
-                });
-            }
-        });
-    }
-
-    private static boolean isDataReductionProxyEnabled(Context context) {
-        return getProxySetting(context.getContentResolver(), WEBVIEW_DATA_REDUCTION_PROXY) != 0;
-    }
-
-    // Read query setting from GoogleSettings.
-    private static int getProxySetting(ContentResolver resolver, String name) {
-        String value = null;
-        Cursor c = null;
-        try {
-            c = resolver.query(
-                    CONTENT_URI, new String[] {"value"}, "name=?", new String[] {name}, null);
-            if (c != null && c.moveToNext()) value = c.getString(0);
-        } catch (SQLException e) {
-            // SQL error: return null, but don't cache it.
-            Log.e(TAG, "Can't get key " + name + " from " + CONTENT_URI, e);
-        } finally {
-            if (c != null) c.close();
-        }
-        int enabled = 0;
-        try {
-            if (value != null) {
-                enabled = Integer.parseInt(value);
-            }
-        } catch (NumberFormatException e) {
-            Log.e(TAG, "cannot parse" + value, e);
-        }
-        return enabled;
-    }
-}