Initial CL for talking to the WebAPK server to generate WebAPK

chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java
index 1715d7edf372be9a7ec31bf1a59fd1d459ab6d4f..be78034949dce8a4ffb8374e74de282f07eee65e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeApplication.java
@@ -90,7 +90,7 @@ import org.chromium.chrome.browser.tabmodel.document.DocumentTabModelSelector;
 import org.chromium.chrome.browser.tabmodel.document.StorageDelegate;
 import org.chromium.chrome.browser.tabmodel.document.TabDelegate;
 import org.chromium.chrome.browser.util.FeatureUtilities;
-import org.chromium.chrome.browser.webapps.WebApkBuilder;
+import org.chromium.chrome.browser.webapps.WebApkInstaller;
 import org.chromium.content.app.ContentApplication;
 import org.chromium.content.browser.ChildProcessCreationParams;
 import org.chromium.content.browser.ChildProcessLauncher;
@@ -367,9 +367,9 @@ public class ChromeApplication extends ContentApplication {
     }
 
     /**
-     * Returns factory for building WebAPKs.
+     * Returns factory for installing WebAPKs.
      */
-    public WebApkBuilder createWebApkBuilder() {
+    public WebApkInstaller createWebApkInstaller() {
         return null;
     }