Unified the use of BufferToTextureTargetMap for all the Processes

content/browser/gpu/compositor_util.cc

Index: content/browser/gpu/compositor_util.cc
diff --git a/content/browser/gpu/compositor_util.cc b/content/browser/gpu/compositor_util.cc
index 1298d758be69ca71da7af70e1afe58c859c8ec19..0252bcb409fb8b8f6a17c57e5f912050b7540615 100644
--- a/content/browser/gpu/compositor_util.cc
+++ b/content/browser/gpu/compositor_util.cc
@@ -398,4 +398,19 @@ std::vector<std::string> GetDriverBugWorkarounds() {
   return GpuDataManagerImpl::GetInstance()->GetDriverBugWorkarounds();
 }
 
+void GetBufferToTextureTargetMap(
+    cc::BufferToTextureTargetMap* texture_targets) {
+  for (int usage_idx = 0; usage_idx <= static_cast<int>(gfx::BufferUsage::LAST);
+       ++usage_idx) {
+    gfx::BufferUsage usage = static_cast<gfx::BufferUsage>(usage_idx);
+    for (int format_idx = 0;
+         format_idx <= static_cast<int>(gfx::BufferFormat::LAST);
+         ++format_idx) {
+      gfx::BufferFormat format = static_cast<gfx::BufferFormat>(format_idx);
+      uint32_t target = gpu::GetImageTextureTarget(format, usage);
+      (*texture_targets)[std::make_pair(usage, format)] = target;
+    }
+  }
+}
+
 }  // namespace content