[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/core/html/Float32ImageData.cpp

Index: third_party/WebKit/Source/core/html/Float32ImageData.cpp
diff --git a/third_party/WebKit/Source/core/html/Float32ImageData.cpp b/third_party/WebKit/Source/core/html/Float32ImageData.cpp
index 544e19e4294561c9f4e9aa83dd26554b8a983d8b..b85ccc4a8efd771cc5c3ac04f014d6ee97af3f84 100644
--- a/third_party/WebKit/Source/core/html/Float32ImageData.cpp
+++ b/third_party/WebKit/Source/core/html/Float32ImageData.cpp
@@ -52,12 +52,16 @@ Float32ImageData* Float32ImageData::create(const IntSize& size) {
   return dataArray ? new Float32ImageData(size, dataArray) : nullptr;
 }
 
-Float32ImageData* Float32ImageData::create(const IntSize& size,
-                                           DOMFloat32Array* dataArray) {
+Float32ImageData* Float32ImageData::create(
+    const IntSize& size,
+    const MaybeShared<DOMFloat32Array>& maybeShared) {
+  if (!ImageData::validateDataArgumentIsNotShared(maybeShared, nullptr))
+    return nullptr;
+  DOMFloat32Array* data = maybeShared.viewNotShared();
   if (!Float32ImageData::validateConstructorArguments(kParamSize | kParamData,
-                                                      &size, 0, 0, dataArray))
+                                                      &size, 0, 0, data))
     return nullptr;
-  return new Float32ImageData(size, dataArray);
+  return new Float32ImageData(size, data);
 }
 
 Float32ImageData* Float32ImageData::create(unsigned width,
@@ -74,9 +78,13 @@ Float32ImageData* Float32ImageData::create(unsigned width,
                    : nullptr;
 }
 
-Float32ImageData* Float32ImageData::create(DOMFloat32Array* data,
-                                           unsigned width,
-                                           ExceptionState& exceptionState) {
+Float32ImageData* Float32ImageData::create(
+    const MaybeShared<DOMFloat32Array>& maybeShared,
+    unsigned width,
+    ExceptionState& exceptionState) {
+  if (!ImageData::validateDataArgumentIsNotShared(maybeShared, &exceptionState))
+    return nullptr;
+  DOMFloat32Array* data = maybeShared.viewNotShared();
   if (!Float32ImageData::validateConstructorArguments(kParamData | kParamWidth,
                                                       nullptr, width, 0, data,
                                                       nullptr, &exceptionState))
@@ -85,10 +93,14 @@ Float32ImageData* Float32ImageData::create(DOMFloat32Array* data,
   return new Float32ImageData(IntSize(width, height), data);
 }
 
-Float32ImageData* Float32ImageData::create(DOMFloat32Array* data,
-                                           unsigned width,
-                                           unsigned height,
-                                           ExceptionState& exceptionState) {
+Float32ImageData* Float32ImageData::create(
+    const MaybeShared<DOMFloat32Array>& maybeShared,
+    unsigned width,
+    unsigned height,
+    ExceptionState& exceptionState) {
+  if (!ImageData::validateDataArgumentIsNotShared(maybeShared, nullptr))
+    return nullptr;
+  DOMFloat32Array* data = maybeShared.viewNotShared();
   if (!Float32ImageData::validateConstructorArguments(
           kParamData | kParamWidth | kParamHeight, nullptr, width, height, data,
           nullptr, &exceptionState))
@@ -113,10 +125,14 @@ Float32ImageData* Float32ImageData::create(unsigned width,
                    : nullptr;
 }
 
-Float32ImageData* Float32ImageData::create(DOMFloat32Array* data,
-                                           unsigned width,
-                                           String colorSpace,
-                                           ExceptionState& exceptionState) {
+Float32ImageData* Float32ImageData::create(
+    const MaybeShared<DOMFloat32Array>& maybeShared,
+    unsigned width,
+    String colorSpace,
+    ExceptionState& exceptionState) {
+  if (!ImageData::validateDataArgumentIsNotShared(maybeShared, nullptr))
+    return nullptr;
+  DOMFloat32Array* data = maybeShared.viewNotShared();
   if (!Float32ImageData::validateConstructorArguments(
           kParamData | kParamWidth | kParamColorSpace, nullptr, width, 0, data,
           &colorSpace, &exceptionState))
@@ -125,11 +141,15 @@ Float32ImageData* Float32ImageData::create(DOMFloat32Array* data,
   return new Float32ImageData(IntSize(width, height), data, colorSpace);
 }
 
-Float32ImageData* Float32ImageData::create(DOMFloat32Array* data,
-                                           unsigned width,
-                                           unsigned height,
-                                           String colorSpace,
-                                           ExceptionState& exceptionState) {
+Float32ImageData* Float32ImageData::create(
+    const MaybeShared<DOMFloat32Array>& maybeShared,
+    unsigned width,
+    unsigned height,
+    String colorSpace,
+    ExceptionState& exceptionState) {
+  if (!ImageData::validateDataArgumentIsNotShared(maybeShared, nullptr))
+    return nullptr;
+  DOMFloat32Array* data = maybeShared.viewNotShared();
   if (!Float32ImageData::validateConstructorArguments(
           kParamData | kParamWidth | kParamHeight | kParamColorSpace, nullptr,
           width, height, data, &colorSpace, &exceptionState))