Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchNetworkCommunicator.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchNetworkCommunicator.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchNetworkCommunicator.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchNetworkCommunicator.java
new file mode 100644
index 0000000000000000000000000000000000000000..b425fb021e2474f4276c3a6e5a7669342fcd88b4
--- /dev/null
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchNetworkCommunicator.java
@@ -0,0 +1,80 @@
+// 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.chrome.browser.contextualsearch;
+
+import java.net.URL;
+
+import javax.annotation.Nullable;
+
+
+/**
+ * An interface for network communication between the Contextual Search client and server.
+ */
+public interface ContextualSearchNetworkCommunicator {
+
+    /**
+     * Starts a Search Term Resolution request.
+     * When the response comes back {@link #handleSearchTermResolutionResponse} will be called.
+     * @param selection the current selected text.
+     */
+    void startSearchTermResolutionRequest(String selection);
+
+    /**
+     * Continues a Search Term Resolution request using an existing context.
+     * The context for the request must be previously set up through an implementation of this
+     * interface (not covered here).
+     * When the response comes back {@link #handleSearchTermResolutionResponse} will be called.
+     */
+    void continueSearchTermResolutionRequest();
+
+    /**
+     * Handles a Search Term Resolution response.
+     * @param isNetworkUnavailable whether the network is available.
+     * @param responseCode the server's HTTP response code.
+     * @param searchTerm the term to search for.
+     * @param displayText the text to display that describes the search term.
+     * @param alternateTerm the alternate search term.
+     * @param doPreventPreload whether to prevent preloading the search result.
+     */
+    void handleSearchTermResolutionResponse(boolean isNetworkUnavailable, int responseCode,
+            String searchTerm, String displayText, String alternateTerm, boolean doPreventPreload);
+
+    /**
+     * Loads a URL in the search content view.
+     * @param url the URL of the page to load.
+     */
+    void loadUrl(String url);
+
+    // --------------------------------------------------------------------------------------------
+    // These are non-network actions that need to be stubbed out for testing.
+    // --------------------------------------------------------------------------------------------
+
+    /**
+     * Gets the URL of the base page.
+     * TODO(donnd): move to another interface, or rename this interface:
+     * This is needed to stub out for testing, but has nothing to do with networking.
+     * @return The URL of the base page (needed for testing purposes).
+     */
+    @Nullable URL getBasePageUrl();
+
+    /**
+     * Handles the WebContentsObserver#didNavigateMainFrame callback.
+     * @param url The URL of the navigation.
+     * @param httpResultCode The HTTP result code of the navigation.
+     */
+    void handleDidNavigateMainFrame(String url, int httpResultCode);
+
+    /**
+     * Creates and sets up a new Search Panel's {@code ContentViewCore}. If there's an existing
+     * {@code ContentViewCore} being used, it will be destroyed first. This should be called as
+     * late as possible to avoid unnecessarily consuming memory.
+     */
+    void createNewSearchContentView();
+
+    /**
+     * Destroys the Search Panel's {@code ContentViewCore}.
+     */
+    void destroySearchContentView();
+}