DevTools: add about:flag for ADB-less remote debugging.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 9eda7bbd97dfec6ec8435dc4908ceed2f4400dc2..0d1a20492681e77bc28eabfef8c1ac7400cc3220 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1170,9 +1170,8 @@ const char kRecordMode[]                    = "record-mode";
 // Uses custom front-end URL for the remote debugging.
 const char kRemoteDebuggingFrontend[]       = "remote-debugging-frontend";
 
-// Does not show an infobar when an extension attaches to a page using
-// chrome.debugger page. Required to attach to extension background pages.
-const char kSilentDebuggerExtensionAPI[]    = "silent-debugger-extension-api";
+// Enables remote debugging of Chrome for Android via raw USB.
+const char kRemoteDebuggingRawUSB[]       = "remote-debugging-raw-usb";
 
 // Enables print preview in the renderer. This flag is generated internally by
 // Chrome and does nothing when directly passed to the browser.
@@ -1254,6 +1253,10 @@ const char kShowLauncherAlignmentMenu[]     = "show-launcher-alignment-menu";
 // Marks a renderer as the signin process.
 const char kSigninProcess[]                 = "signin-process";
 
+// Does not show an infobar when an extension attaches to a page using
+// chrome.debugger page. Required to attach to extension background pages.
+const char kSilentDebuggerExtensionAPI[]    = "silent-debugger-extension-api";
+
 // Changes the DCHECKS to dump memory and continue instead of displaying error
 // dialog. This is valid only in Release mode when --enable-dcheck is
 // specified.