Fix "unreachable code" warnings (MSVC warning 4702) in chrome/browser/.

chrome/browser/extensions/api/input/input.cc

Index: chrome/browser/extensions/api/input/input.cc
===================================================================
--- chrome/browser/extensions/api/input/input.cc	(revision 256983)
+++ chrome/browser/extensions/api/input/input.cc	(working copy)
@@ -37,9 +37,10 @@
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &text));
 
   return keyboard::InsertText(text, ash::Shell::GetPrimaryRootWindow());
-#endif
+#else
   error_ = kNotYetImplementedError;
   return false;
+#endif
 }
 
 bool VirtualKeyboardPrivateMoveCursorFunction::RunImpl() {
@@ -59,9 +60,10 @@
       swipe_direction,
       modifier_flags,
       ash::Shell::GetPrimaryRootWindow()->GetHost()->dispatcher());
-#endif
+#else
   error_ = kNotYetImplementedError;
   return false;
+#endif
 }
 
 bool VirtualKeyboardPrivateSendKeyEventFunction::RunImpl() {
@@ -90,9 +92,10 @@
       key_name,
       modifiers,
       ash::Shell::GetPrimaryRootWindow()->GetHost()->dispatcher());
-#endif
+#else
   error_ = kNotYetImplementedError;
   return false;
+#endif
 }
 
 bool VirtualKeyboardPrivateHideKeyboardFunction::RunImpl() {
@@ -109,9 +112,10 @@
       keyboard::KeyboardController::HIDE_REASON_MANUAL);
 
   return true;
-#endif
+#else
   error_ = kNotYetImplementedError;
   return false;
+#endif
 }
 
 bool VirtualKeyboardPrivateLockKeyboardFunction::RunImpl() {
@@ -119,13 +123,12 @@
 #if defined(USE_ASH)
   bool lock;
   EXTENSION_FUNCTION_VALIDATE(args_->GetBoolean(0, &lock));
-
   ash::Shell::GetInstance()->keyboard_controller()->set_lock_keyboard(lock);
-
   return true;
-#endif
+#else
   error_ = kNotYetImplementedError;
   return false;
+#endif
 }
 
 bool VirtualKeyboardPrivateKeyboardLoadedFunction::RunImpl() {
@@ -132,13 +135,12 @@
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 #if defined(USE_ASH)
   keyboard::MarkKeyboardLoadFinished();
-
   base::UserMetricsAction("VirtualKeyboardLoaded");
-
   return true;
-#endif
+#else
   error_ = kNotYetImplementedError;
   return false;
+#endif
 }
 
 bool VirtualKeyboardPrivateGetKeyboardConfigFunction::RunImpl() {
@@ -149,9 +151,10 @@
   results->SetBoolean("a11ymode", keyboard::GetAccessibilityKeyboardEnabled());
   SetResult(results);
   return true;
-#endif
+#else
   error_ = kNotYetImplementedError;
   return false;
+#endif
 }
 
 InputAPI::InputAPI(content::BrowserContext* context) {}