File fpp-canvas-fix.patch of Package LibreWolf

diff --git a/dom/canvas/CanvasRenderingContext2D.cpp b/dom/canvas/CanvasRenderingContext2D.cpp
index ee186c2..ec57312 100644
--- a/dom/canvas/CanvasRenderingContext2D.cpp
+++ b/dom/canvas/CanvasRenderingContext2D.cpp
@@ -6554,7 +6554,8 @@ nsresult CanvasRenderingContext2D::GetImageDataArray(
   //
   // Note that we don't need to clone if we will use the place holder because
   // the place holder doesn't use actual image data.
-  if (extractionBehavior == CanvasUtils::ImageExtraction::Randomize) {
+  if (extractionBehavior == CanvasUtils::ImageExtraction::Randomize ||
+      extractionBehavior == CanvasUtils::ImageExtraction::EfficientRandomize) {
     if (readback) {
       readback = CreateDataSourceSurfaceByCloning(readback);
     }
@@ -6572,7 +6573,9 @@ nsresult CanvasRenderingContext2D::GetImageDataArray(
       // service) after we call JS_GetUint8ClampedArrayData, we will
       // pre-generate the randomness required for GeneratePlaceholderCanvasData.
       randomData = TryToGenerateRandomDataForPlaceholderCanvasData();
-    } else if (extractionBehavior == CanvasUtils::ImageExtraction::Randomize) {
+    } else if (extractionBehavior == CanvasUtils::ImageExtraction::Randomize ||
+               extractionBehavior ==
+                   CanvasUtils::ImageExtraction::EfficientRandomize) {
       // Apply the random noises if canvan randomization is enabled. We don't
       // need to calculate random noises if we are going to use the place
       // holder.
diff --git a/dom/canvas/ClientWebGLContext.cpp b/dom/canvas/ClientWebGLContext.cpp
index 11578f4..d52d929 100644
--- a/dom/canvas/ClientWebGLContext.cpp
+++ b/dom/canvas/ClientWebGLContext.cpp
@@ -3598,7 +3598,9 @@ void ClientWebGLContext::GetBufferSubData(GLenum target, GLintptr srcByteOffset,
       if (extraction == CanvasUtils::ImageExtraction::Placeholder) {
         dom::GeneratePlaceholderCanvasData(destView->size_bytes(),
                                            destView->Elements());
-      } else if (extraction == CanvasUtils::ImageExtraction::Randomize) {
+      } else if (extraction == CanvasUtils::ImageExtraction::Randomize ||
+                 extraction ==
+                     CanvasUtils::ImageExtraction::EfficientRandomize) {
         // We have no idea what's in the buffer. So, we randomize it as if each
         // elemSize bytes is a single element.
         uint8_t elementsPerGroup = 1,
@@ -5354,7 +5356,8 @@ void ClientWebGLContext::ReadPixels(GLint x, GLint y, GLsizei width,
 
       if (extraction == CanvasUtils::ImageExtraction::Placeholder) {
         dom::GeneratePlaceholderCanvasData(range->size(), range->Elements());
-      } else if (extraction == CanvasUtils::ImageExtraction::Randomize) {
+      } else if (extraction == CanvasUtils::ImageExtraction::Randomize ||
+            extraction == CanvasUtils::ImageExtraction::EfficientRandomize) {
         const auto pii = webgl::PackingInfoInfo::For(desc.pi);
         // DoReadPixels() requres pii to be Some().
         MOZ_ASSERT(pii.isSome());
diff --git a/toolkit/components/resistfingerprinting/nsRFPService.cpp b/toolkit/components/resistfingerprinting/nsRFPService.cpp
index 9554fbb..0c1e380 100644
--- a/toolkit/components/resistfingerprinting/nsRFPService.cpp
+++ b/toolkit/components/resistfingerprinting/nsRFPService.cpp
@@ -1805,6 +1805,7 @@ nsresult nsRFPService::RandomizeElements(
     return NS_OK;
   }
 
+  /*
   // Don't randomize if all groups are uniform.
   const bool allGroupsMatch = [&]() {
     auto itr = RangedPtr<const uint8_t>(aData, aSizeInBytes);
@@ -1819,6 +1820,7 @@ nsresult nsRFPService::RandomizeElements(
   if (allGroupsMatch) {
     return NS_OK;
   }
+  */
 
   auto timerId =
       glean::fingerprinting_protection::canvas_noise_calculate_time_2.Start();