Re-enable WebP tests

ios/web/public/image_fetcher/webp_decoder_unittest.mm

Index: ios/web/public/image_fetcher/webp_decoder_unittest.mm
diff --git a/ios/web/public/image_fetcher/webp_decoder_unittest.mm b/ios/web/public/image_fetcher/webp_decoder_unittest.mm
index fdaae2e9ccf1a1cad63409f226c6f91c80960767..64d767c3f81f99b8b54241b367337d31706b44f1 100644
--- a/ios/web/public/image_fetcher/webp_decoder_unittest.mm
+++ b/ios/web/public/image_fetcher/webp_decoder_unittest.mm
@@ -168,11 +168,6 @@ class WebpDecoderTest : public testing::Test {
 }  // namespace
 
 TEST_F(WebpDecoderTest, DecodeToJpeg) {
-// TODO(droger): This test fails on iOS 9 x64 devices. http://crbug.com/523235
-#if defined(OS_IOS) && defined(ARCH_CPU_ARM64) && !TARGET_IPHONE_SIMULATOR
-  if (base::ios::IsRunningOnIOS9OrLater())
-    return;
-#endif
   // Load a WebP image from disk.
   base::scoped_nsobject<NSData> webp_image(
       LoadImage(base::FilePath("test.webp")));
@@ -192,11 +187,6 @@ TEST_F(WebpDecoderTest, DecodeToJpeg) {
 }
 
 TEST_F(WebpDecoderTest, DecodeToPng) {
-// TODO(droger): This test fails on iOS 9 x64 devices. http://crbug.com/523235
-#if defined(OS_IOS) && defined(ARCH_CPU_ARM64) && !TARGET_IPHONE_SIMULATOR
-  if (base::ios::IsRunningOnIOS9OrLater())
-    return;
-#endif
   // Load a WebP image from disk.
   base::scoped_nsobject<NSData> webp_image(
       LoadImage(base::FilePath("test_alpha.webp")));
@@ -216,11 +206,6 @@ TEST_F(WebpDecoderTest, DecodeToPng) {
 }
 
 TEST_F(WebpDecoderTest, DecodeToTiff) {
-// TODO(droger): This test fails on iOS 9 x64 devices. http://crbug.com/523235
-#if defined(OS_IOS) && defined(ARCH_CPU_ARM64) && !TARGET_IPHONE_SIMULATOR
-  if (base::ios::IsRunningOnIOS9OrLater())
-    return;
-#endif
   // Load a WebP image from disk.
   base::scoped_nsobject<NSData> webp_image(
       LoadImage(base::FilePath("test_small.webp")));
@@ -240,11 +225,6 @@ TEST_F(WebpDecoderTest, DecodeToTiff) {
 }
 
 TEST_F(WebpDecoderTest, StreamedDecode) {
-// TODO(droger): This test fails on iOS 9 x64 devices. http://crbug.com/523235
-#if defined(OS_IOS) && defined(ARCH_CPU_ARM64) && !TARGET_IPHONE_SIMULATOR
-  if (base::ios::IsRunningOnIOS9OrLater())
-    return;
-#endif
   // Load a WebP image from disk.
   base::scoped_nsobject<NSData> webp_image(
       LoadImage(base::FilePath("test.webp")));