Replace ASSERT with DCHECK in modules/fetch.

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

Index: third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp
diff --git a/third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp b/third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp
index 828b6d0e8fa1d1c60f7180255f5e14cfc8c774bd..9a0b75a26b040743fafc8b62bf5725e11cc42ac3 100644
--- a/third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp
+++ b/third_party/WebKit/Source/modules/fetch/BodyStreamBuffer.cpp
@@ -124,8 +124,8 @@ ScriptValue BodyStreamBuffer::stream() {
 
 PassRefPtr<BlobDataHandle> BodyStreamBuffer::drainAsBlobDataHandle(
     BytesConsumer::BlobSizePolicy policy) {
-  ASSERT(!isStreamLocked());
-  ASSERT(!isStreamDisturbed());
+  DCHECK(!isStreamLocked());
+  DCHECK(!isStreamDisturbed());
   if (isStreamClosed() || isStreamErrored())
     return nullptr;
 
@@ -142,8 +142,8 @@ PassRefPtr<BlobDataHandle> BodyStreamBuffer::drainAsBlobDataHandle(
 }
 
 PassRefPtr<EncodedFormData> BodyStreamBuffer::drainAsFormData() {
-  ASSERT(!isStreamLocked());
-  ASSERT(!isStreamDisturbed());
+  DCHECK(!isStreamLocked());
+  DCHECK(!isStreamDisturbed());
   if (isStreamClosed() || isStreamErrored())
     return nullptr;
 
@@ -160,8 +160,8 @@ PassRefPtr<EncodedFormData> BodyStreamBuffer::drainAsFormData() {
 
 void BodyStreamBuffer::startLoading(FetchDataLoader* loader,
                                     FetchDataLoader::Client* client) {
-  ASSERT(!m_loader);
-  ASSERT(m_scriptState->contextIsValid());
+  DCHECK(!m_loader);
+  DCHECK(m_scriptState->contextIsValid());
   m_loader = loader;
   loader->start(
       releaseHandle(),
@@ -192,7 +192,7 @@ void BodyStreamBuffer::tee(BodyStreamBuffer** branch1,
 }
 
 ScriptPromise BodyStreamBuffer::pull(ScriptState* scriptState) {
-  ASSERT(scriptState == m_scriptState.get());
+  DCHECK(scriptState == m_scriptState.get());

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

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

   if (m_streamNeedsMore)
     return ScriptPromise::castUndefined(scriptState);
   m_streamNeedsMore = true;
@@ -202,7 +202,7 @@ ScriptPromise BodyStreamBuffer::pull(ScriptState* scriptState) {
 
 ScriptPromise BodyStreamBuffer::cancel(ScriptState* scriptState,
                                        ScriptValue reason) {
-  ASSERT(scriptState == m_scriptState.get());
+  DCHECK(scriptState == m_scriptState.get());

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

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

   close();
   return ScriptPromise::castUndefined(scriptState);
 }
@@ -339,7 +339,7 @@ void BodyStreamBuffer::processData() {
 }
 
 void BodyStreamBuffer::endLoading() {
-  ASSERT(m_loader);
+  DCHECK(m_loader);
   m_loader = nullptr;
 }