Replace DCHECK(BrowserThread::CurrentlyOn) with DCHECK_CURRENTLY_ON in extensions.

chrome/browser/extensions/blob_reader.cc

Index: chrome/browser/extensions/blob_reader.cc
diff --git a/chrome/browser/extensions/blob_reader.cc b/chrome/browser/extensions/blob_reader.cc
index 3b4fde61993655be79667d5adc7cc4cac18a8622..bab8634de851fc9f357f8f07104a4f66df520f70 100644
--- a/chrome/browser/extensions/blob_reader.cc
+++ b/chrome/browser/extensions/blob_reader.cc
@@ -19,7 +19,7 @@ BlobReader::BlobReader(Profile* profile,
                        const std::string& blob_uuid,
                        BlobReadCallback callback)
     : callback_(callback) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   GURL blob_url;
   if (StartsWithASCII(blob_uuid, "blob:blobinternal", true)) {
     // TODO(michaeln): remove support for deprecated blob urls
@@ -34,12 +34,10 @@ BlobReader::BlobReader(Profile* profile,
   fetcher_->SetRequestContext(profile->GetRequestContext());
 }
 
-BlobReader::~BlobReader() {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
-}
+BlobReader::~BlobReader() { DCHECK_CURRENTLY_ON(content::BrowserThread::UI); }
 
 void BlobReader::SetByteRange(int64 offset, int64 length) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   CHECK_GE(offset, 0);
   CHECK_GT(length, 0);
   CHECK_LE(offset, kint64max - length);
@@ -53,13 +51,13 @@ void BlobReader::SetByteRange(int64 offset, int64 length) {
 }
 
 void BlobReader::Start() {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   fetcher_->Start();
 }
 
 // Overridden from net::URLFetcherDelegate.
 void BlobReader::OnURLFetchComplete(const net::URLFetcher* source) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   scoped_ptr<std::string> response(new std::string);
   int64 first = 0, last = 0, length = 0;
   source->GetResponseAsString(response.get());