Replace ASSERT with DCHECK in modules/

third_party/WebKit/Source/modules/serviceworkers/WaitUntilObserver.cpp

 // Copyright 2014 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 "modules/serviceworkers/WaitUntilObserver.h"
 
 #include "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8BindingForCore.h"
@@ skipping 44 matching lines @@
 
  private:
   ThenFunction(ScriptState* script_state,
                WaitUntilObserver* observer,
                ResolveType type)
       : ScriptFunction(script_state),
         observer_(observer),
         resolve_type_(type) {}
 
   ScriptValue Call(ScriptValue value) override {
-    ASSERT(observer_);
+    DCHECK(observer_);
     ASSERT(resolve_type_ == kFulfilled || resolve_type_ == kRejected);
     if (resolve_type_ == kRejected) {
       observer_->ReportError(value);
       value =
           ScriptPromise::Reject(value.GetScriptState(), value).GetScriptValue();
     }
     observer_->DecrementPendingActivity();
     observer_ = nullptr;
     return value;
   }
@@ skipping 146 matching lines @@
   if (!execution_context_)
     return;
   execution_context_->ConsumeWindowInteraction();
 }
 
 DEFINE_TRACE(WaitUntilObserver) {
   visitor->Trace(execution_context_);
 }
 
 }  // namespace blink