base: Remove the string logging from CHECK().

chrome/browser/android/vr_shell/vr_controller.cc

Index: chrome/browser/android/vr_shell/vr_controller.cc
diff --git a/chrome/browser/android/vr_shell/vr_controller.cc b/chrome/browser/android/vr_shell/vr_controller.cc
index 6733d25600772a9b07c552932512b5848b77be86..2e6ef947d826310134359c03d38ce56489accca5 100644
--- a/chrome/browser/android/vr_shell/vr_controller.cc
+++ b/chrome/browser/android/vr_shell/vr_controller.cc
@@ -145,7 +145,8 @@ void VrController::UpdateState() {
 }
 
 void VrController::UpdateTouchInfo() {
-  CHECK(touch_info_ != nullptr) << "touch_info_ not initialized properly.";
+  // touch_info_ not initialized properly.
+  CHECK(touch_info_ != nullptr);
   gvr::Vec2f position;
   position.x = TouchPosX();
   position.y = TouchPosY();
@@ -174,7 +175,8 @@ void VrController::UpdateTouchInfo() {
 }
 
 void VrController::Initialize(gvr_context* gvr_context) {
-  CHECK(gvr_context != nullptr) << "invalid gvr_context";
+  // invalid gvr_context
+  CHECK(gvr_context != nullptr);
   controller_api_.reset(new gvr::ControllerApi);
   controller_state_.reset(new gvr::ControllerState);
   int32_t options = gvr::ControllerApi::DefaultOptions();