Replace ASSERT with DCHECK in modules/fetch.

third_party/WebKit/Source/modules/fetch/Request.cpp

Index: third_party/WebKit/Source/modules/fetch/Request.cpp
diff --git a/third_party/WebKit/Source/modules/fetch/Request.cpp b/third_party/WebKit/Source/modules/fetch/Request.cpp
index 14ad2a628526cc19a14d0c0cd522d9c4bd32a0e2..12bc5c3cc62775b464df22ac0cbef9e86205e548 100644
--- a/third_party/WebKit/Source/modules/fetch/Request.cpp
+++ b/third_party/WebKit/Source/modules/fetch/Request.cpp
@@ -332,12 +332,12 @@ Request* Request::createRequestWithRequestOrString(
   }
   // "Fill |r|'s Headers object with |headers|. Rethrow any exceptions."
   if (init.headers) {
-    ASSERT(init.headersDictionary.isUndefinedOrNull());
+    DCHECK(init.headersDictionary.isUndefinedOrNull());
     r->getHeaders()->fillWith(init.headers.get(), exceptionState);
   } else if (!init.headersDictionary.isUndefinedOrNull()) {
     r->getHeaders()->fillWith(init.headersDictionary, exceptionState);
   } else {
-    ASSERT(headers);
+    DCHECK(headers);
     r->getHeaders()->fillWith(headers, exceptionState);
   }
   if (exceptionState.hadException())
@@ -426,7 +426,7 @@ Request* Request::create(ScriptState* scriptState,
                          const RequestInfo& input,
                          const Dictionary& init,
                          ExceptionState& exceptionState) {
-  ASSERT(!input.isNull());
+  DCHECK(!input.isNull());
   if (input.isUSVString())
     return create(scriptState, input.getAsUSVString(), init, exceptionState);
   return create(scriptState, input.getAsRequest(), init, exceptionState);
@@ -577,8 +577,8 @@ String Request::referrer() const {
   // "The referrer attribute's getter must return the empty string if
   // request's referrer is no referrer, "about:client" if request's referrer
   // is client and request's referrer, serialized, otherwise."
-  ASSERT(FetchRequestData::noReferrerString() == AtomicString());
-  ASSERT(FetchRequestData::clientReferrerString() ==
+  DCHECK(FetchRequestData::noReferrerString() == AtomicString());

[tkent, 2017/04/08 02:29:54]

Use DCHECK_EQ if it doesn't cause a build failure.

+  DCHECK(FetchRequestData::clientReferrerString() ==

[tkent, 2017/04/08 02:29:54]

Use DCHECK_EQ if it doesn't cause a build failure.

          AtomicString("about:client"));
   return m_request->referrerString();
 }
@@ -598,7 +598,7 @@ String Request::getReferrerPolicy() const {
     case ReferrerPolicyOriginWhenCrossOrigin:
       return "origin-when-cross-origin";
     case ReferrerPolicyNoReferrerWhenDowngradeOriginWhenCrossOrigin:
-      ASSERT(RuntimeEnabledFeatures::reducedReferrerGranularityEnabled());
+      DCHECK(RuntimeEnabledFeatures::reducedReferrerGranularityEnabled());
       return "no-referrer-when-downgrade-origin-when-cross-origin";
   }
   ASSERT_NOT_REACHED();
@@ -674,7 +674,7 @@ Request* Request::clone(ScriptState* scriptState,
 }
 
 FetchRequestData* Request::passRequestData(ScriptState* scriptState) {
-  ASSERT(!bodyUsed());
+  DCHECK(!bodyUsed());
   FetchRequestData* data = m_request->pass(scriptState);
   refreshBody(scriptState);
   // |data|'s buffer('s js wrapper) has no retainer, but it's OK because