Webview集成方式为什么Chrome没法debug

用Hbuilder开发的移动APP，chrome可以看到手机上运行的页面。
但是单webview集成方式却看不到运行页面。application加了debug=“true”也无效。

09-19 14:19:15.229: I/Main_Path(21257): will exc coreListener.onCoreReady
09-19 14:19:15.364: I/WebViewFactory(21257): Loading com.google.android.webview version 42.0.2311.138 (code 2311138)
09-19 14:19:15.383: I/LibraryLoader(21257): Time to load native libraries: 3 ms (timestamps 4441-4444)
09-19 14:19:15.383: I/LibraryLoader(21257): Expected native library version number "",actual native library version number ""
09-19 14:19:15.396: V/WebViewChromiumFactoryProvider(21257): Binding Chromium to main looper Looper (main, tid 1) {d8b14ad}
09-19 14:19:15.397: I/LibraryLoader(21257): Expected native library version number "",actual native library version number ""
09-19 14:19:15.397: I/chromium(21257): [INFO:library_loader_hooks.cc(112)] Chromium logging enabled: level = 0, default verbosity = 0
09-19 14:19:15.412: I/BrowserStartupController(21257): Initializing chromium process, singleProcess=true
09-19 14:19:15.413: W/art(21257): Attempt to remove local handle scope entry from IRT, ignoring
09-19 14:19:15.415: E/SysUtils(21257): ApplicationContext is null in ApplicationStatus
09-19 14:19:15.437: W/chromium(21257): [WARNING:resource_bundle.cc(286)] locale_file_path.empty()
09-19 14:19:15.437: I/chromium(21257): [INFO:aw_browser_main_parts.cc(63)] Load from apk succesful, fd=41 off=9114220 len=3358
09-19 14:19:15.437: I/chromium(21257): [INFO:aw_browser_main_parts.cc(76)] Loading webviewchromium.pak from, fd:42 off:7953000 len:1161174

logcat打印中的I/chromium不代表chrome浏览器？？