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Unified Diff: third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp

Issue 2039673002: Track performance of toBlob and its complete timeout delay (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: correctly accumulate idle time slices Created 4 years, 6 months ago
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Index: third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp b/third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp
index 006f67e7ff0e6b944e7359bd229fdd27af3bce70..7fdf753fceec5bb1e693363ba38f945146270bf6 100644
--- a/third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp
@@ -678,6 +678,7 @@ void HTMLCanvasElement::toBlob(BlobCallback* callback, const String& mimeType, c
return;
}
+ double startTime = WTF::monotonicallyIncreasingTime();
double quality = UndefinedQualityValue;
if (!qualityArgument.isEmpty()) {
v8::Local<v8::Value> v8Value = qualityArgument.v8Value();
@@ -690,7 +691,7 @@ void HTMLCanvasElement::toBlob(BlobCallback* callback, const String& mimeType, c
ImageData* imageData = toImageData(BackBuffer, SnapshotReasonToBlob);
- CanvasAsyncBlobCreator* asyncCreator = CanvasAsyncBlobCreator::create(imageData->data(), encodingMimeType, imageData->size(), callback);
+ CanvasAsyncBlobCreator* asyncCreator = CanvasAsyncBlobCreator::create(imageData->data(), encodingMimeType, imageData->size(), callback, startTime);
bool useIdlePeriodScheduling = (encodingMimeType != "image/webp");
asyncCreator->scheduleAsyncBlobCreation(useIdlePeriodScheduling, quality);

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