Add some webapk source directories to eclise .classpath

tools/android/eclipse/.classpath

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- {% block header_message %}
 
 Eclipse classpath. See instructions at
 https://www.chromium.org/developers/android-eclipse-dev for setting up Eclipse
 for Chrome Android development.
 
 Obsolete entries can be found using:
 
   for f in $(grep -oP '(?<= path=")[^"]*' tools/android/eclipse/.classpath); do
@@ skipping 12 matching lines @@
     <classpathentry kind="src" path="android_webview/unittestjava/src"/>
     <classpathentry kind="src" path="base/android/java/src"/>
     <classpathentry kind="src" path="base/android/javatests/src"/>
     <classpathentry kind="src" path="base/test/android/javatests/src"/>
     <classpathentry kind="src" path="blimp/client/app/android/java/src"/>
     <classpathentry kind="src" path="blimp/client/app/android/javatests/src"/>
     <classpathentry kind="src" path="chrome/android/java/src"/>
     <classpathentry kind="src" path="chrome/android/javatests/src"/>
     <classpathentry kind="src" path="chrome/android/sync_shell/javatests/src"/>
     <classpathentry kind="src" path="chrome/android/junit/src"/>
+    <classpathentry kind="src" path="chrome/android/webapk/libs/client/junit/src"/>
+    <classpathentry kind="src" path="chrome/android/webapk/libs/client/src"/>
+    <classpathentry kind="src" path="chrome/android/webapk/libs/common/src"/>
+    <classpathentry kind="src" path="chrome/android/webapk/libs/runtime_library/junit/src"/>
+    <classpathentry kind="src" path="chrome/android/webapk/libs/runtime_library/src"/>
+    <classpathentry kind="src" path="chrome/android/webapk/shell_apk/javatests/dex_optimizer/src"/>
+    <classpathentry kind="src" path="chrome/android/webapk/shell_apk/javatests/src"/>
+    <classpathentry kind="src" path="chrome/android/webapk/shell_apk/src"/>
     <classpathentry kind="src" path="chrome/test/android/javatests/src"/>
     <classpathentry kind="src" path="chrome/test/chromedriver/test/webview_shell/java/src"/>
     <classpathentry kind="src" path="components/bookmarks/common/android/java/src"/>
     <classpathentry kind="src" path="components/cronet/android/java/src"/>
     <classpathentry kind="src" path="components/dom_distiller/android/java/src"/>
     <classpathentry kind="src" path="components/external_video_surface/android/java/src"/>
     <classpathentry kind="src" path="components/gcm_driver/android/java/src"/>
     <classpathentry kind="src" path="components/invalidation/impl/android/java/src"/>
     <classpathentry kind="src" path="components/invalidation/impl/android/javatests/src"/>
     <classpathentry kind="src" path="components/invalidation/impl/android/junit/src"/>
@@ skipping 211 matching lines @@
     <classpathentry kind="lib" path="out/Debug/lib.java/third_party/WebKit/public/blink_headers_java.jar"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/ui/accessibility/ui_accessibility_java.jar"/>
     <classpathentry kind="lib" path="out/Debug/lib.java/ui/android/ui_java.jar"/>
 
     <!-- {% block additional_entries %} -->
     <!-- When this file is processed as a jinja2 template, additional
          <classpathentry> elements will be inserted here. -->
     <!-- {% endblock %} -->
 
 </classpath>