base: Remove the string logging from CHECK().

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/render_frame_host_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 1937 matching lines @@
         const AXEventNotificationDetails& detail = details[i];
         if (static_cast<int>(detail.event_type) < 0)
           continue;
 
         if (!ax_tree_for_testing_) {
           if (browser_accessibility_manager_) {
             ax_tree_for_testing_.reset(new ui::AXTree(
                 browser_accessibility_manager_->SnapshotAXTreeForTesting()));
           } else {
             ax_tree_for_testing_.reset(new ui::AXTree());
-            CHECK(ax_tree_for_testing_->Unserialize(detail.update))
-                << ax_tree_for_testing_->error();
+            CHECK(ax_tree_for_testing_->Unserialize(detail.update));
           }
         } else {
-          CHECK(ax_tree_for_testing_->Unserialize(detail.update))
-              << ax_tree_for_testing_->error();
+          CHECK(ax_tree_for_testing_->Unserialize(detail.update));
         }
         accessibility_testing_callback_.Run(this, detail.event_type, detail.id);
       }
     }
   }
 
   // Always send an ACK or the renderer can be in a bad state.
   Send(new AccessibilityMsg_Events_ACK(routing_id_, ack_token));
 }
 
@@ skipping 1354 matching lines @@
   // pending_nav_entry_id. If the previous handle was a prematurely aborted
   // navigation loaded via LoadDataWithBaseURL, propagate the entry id.
   return NavigationHandleImpl::Create(
       params.url, frame_tree_node_, is_renderer_initiated,
       params.was_within_same_page, base::TimeTicks::Now(),
       entry_id_for_data_nav, params.gesture,
       false);  // started_from_context_menu
 }
 
 }  // namespace content