mac: Offscreen Canvas sets texture wrap to CLAMP_TO_EDGE explicitly

third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/graphics/OffscreenCanvasFrameDispatcherImpl.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/quads/texture_draw_quad.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "platform/Histogram.h"
@@ skipping 90 matching lines @@
                                             info.minRowBytes(), 0, 0);
 
   GLuint textureId = 0u;
   gl->GenTextures(1, &textureId);
   gl->BindTexture(GL_TEXTURE_2D, textureId);
   GLenum format =
       (kN32_SkColorType == kRGBA_8888_SkColorType) ? GL_RGBA : GL_BGRA_EXT;
   gl->TexImage2D(GL_TEXTURE_2D, 0, format, m_width, m_height, 0, format,
                  GL_UNSIGNED_BYTE, 0);
   gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+  gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
   gl->TexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_width, m_height, format,
                     GL_UNSIGNED_BYTE, dstPixels->data());
 
   gpu::Mailbox mailbox;
   gl->GenMailboxCHROMIUM(mailbox.name);
   gl->ProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name);
 
   const GLuint64 fenceSync = gl->InsertFenceSyncCHROMIUM();
   gl->ShallowFlushCHROMIUM();
   gpu::SyncToken syncToken;
@@ skipping 207 matching lines @@
 }
 
 bool OffscreenCanvasFrameDispatcherImpl::verifyImageSize(
     const sk_sp<SkImage>& image) {
   if (image && image->width() == m_width && image->height() == m_height)
     return true;
   return false;
 }
 
 }  // namespace blink