Move GPU device/driver info related code from content to gpu.

content/gpu/gpu_dx_diagnostics_win.cc

Index: content/gpu/gpu_dx_diagnostics_win.cc
===================================================================
--- content/gpu/gpu_dx_diagnostics_win.cc	(revision 201645)
+++ content/gpu/gpu_dx_diagnostics_win.cc	(working copy)
@@ -1,139 +0,0 @@
-// Copyright (c) 2011 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.
-//
-// Functions to enumerate the Dx Diagnostic Tool hierarchy and build up
-// a tree of nodes with name / value properties.
-
-#define INITGUID
-#include <dxdiag.h>
-#include <windows.h>
-
-#include "base/string_number_conversions.h"
-#include "base/utf_string_conversions.h"
-#include "base/win/scoped_com_initializer.h"
-#include "content/gpu/gpu_info_collector.h"
-
-// Functions in this file depend on functions exported from dxguid.dll.
-#pragma comment(lib, "dxguid.lib")
-
-namespace {
-
-// Traverses the IDxDiagContainer tree and populates a tree of DxDiagNode
-// structures that contains property name / value pairs and subtrees of DirectX
-// diagnostic information.
-void RecurseDiagnosticTree(content::DxDiagNode* output,
-                           IDxDiagContainer* container,
-                           int depth) {
-  HRESULT hr;
-
-  VARIANT variant;
-  VariantInit(&variant);
-
-  DWORD prop_count;
-  hr = container->GetNumberOfProps(&prop_count);
-  if (SUCCEEDED(hr)) {
-    for (DWORD i = 0; i < prop_count; i++) {
-      WCHAR prop_name16[256];
-      hr = container->EnumPropNames(i, prop_name16, arraysize(prop_name16));
-      if (SUCCEEDED(hr)) {
-        std::string prop_name8 = WideToUTF8(prop_name16);
-
-        hr = container->GetProp(prop_name16, &variant);
-        if (SUCCEEDED(hr)) {
-          switch (variant.vt) {
-            case VT_UI4:
-              output->values[prop_name8] = base::UintToString(variant.ulVal);
-              break;
-            case VT_I4:
-              output->values[prop_name8] = base::IntToString(variant.lVal);
-              break;
-            case VT_BOOL:
-              output->values[prop_name8] = variant.boolVal ? "true" : "false";
-              break;
-            case VT_BSTR:
-              output->values[prop_name8] = WideToUTF8(variant.bstrVal);
-              break;
-            default:
-              break;
-          }
-
-          // Clear the variant (this is needed to free BSTR memory).
-          VariantClear(&variant);
-        }
-      }
-    }
-  }
-
-  if (depth > 0) {
-    DWORD child_count;
-    hr = container->GetNumberOfChildContainers(&child_count);
-    if (SUCCEEDED(hr)) {
-      for (DWORD i = 0; i < child_count; i++) {
-        WCHAR child_name16[256];
-        hr = container->EnumChildContainerNames(i,
-                                                child_name16,
-                                                arraysize(child_name16));
-        if (SUCCEEDED(hr)) {
-          std::string child_name8 = WideToUTF8(child_name16);
-          content::DxDiagNode* output_child =
-              &output->children[child_name8];
-
-          IDxDiagContainer* child_container = NULL;
-          hr = container->GetChildContainer(child_name16, &child_container);
-          if (SUCCEEDED(hr)) {
-            RecurseDiagnosticTree(output_child, child_container, depth - 1);
-
-            child_container->Release();
-          }
-        }
-      }
-    }
-  }
-}
-}  // namespace anonymous
-
-namespace gpu_info_collector {
-
-bool GetDxDiagnostics(content::DxDiagNode* output) {
-  HRESULT hr;
-  bool success = false;
-  base::win::ScopedCOMInitializer com_initializer;
-
-  IDxDiagProvider* provider = NULL;
-  hr = CoCreateInstance(CLSID_DxDiagProvider,
-                         NULL,
-                         CLSCTX_INPROC_SERVER,
-                         IID_IDxDiagProvider,
-                         reinterpret_cast<void**>(&provider));
-  if (SUCCEEDED(hr)) {
-    DXDIAG_INIT_PARAMS params = { sizeof(params) };
-    params.dwDxDiagHeaderVersion = DXDIAG_DX9_SDK_VERSION;
-    params.bAllowWHQLChecks = FALSE;
-    params.pReserved = NULL;
-
-    hr = provider->Initialize(&params);
-    if (SUCCEEDED(hr)) {
-      IDxDiagContainer* root = NULL;
-      hr = provider->GetRootContainer(&root);
-      if (SUCCEEDED(hr)) {
-        // Limit to the DisplayDevices subtree. The tree in its entirity is
-        // enormous and only this branch contains useful information.
-        IDxDiagContainer* display_devices = NULL;
-        hr = root->GetChildContainer(L"DxDiag_DisplayDevices",
-                                     &display_devices);
-        if (SUCCEEDED(hr)) {
-          RecurseDiagnosticTree(output, display_devices, 1);
-          success = true;
-          display_devices->Release();
-        }
-
-        root->Release();
-      }
-    }
-    provider->Release();
-  }
-
-  return success;
-}
-}  // namespace gpu_info_collector