Merge Chromium at r11.0.696.0: Initial merge by git

Change-Id: I273dde2843af0839dfc08b419bb443fbd449532d

1 files changed, 83 insertions, 0 deletions

diff --git a/chrome/browser/ui/webui/shared_resources_data_source.cc b/chrome/browser/ui/webui/shared_resources_data_source.cc
new file mode 100644
index 0000000..80d76e4
--- /dev/null
+++ b/chrome/browser/ui/webui/shared_resources_data_source.cc
@@ -0,0 +1,83 @@
+// 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.
+
+#include "chrome/browser/ui/webui/shared_resources_data_source.h"
+
+#include <string>
+
+#include "base/singleton.h"
+#include "base/threading/thread_restrictions.h"
+#include "chrome/browser/io_thread.h"
+#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
+#include "chrome/common/url_constants.h"
+#include "content/browser/browser_thread.h"
+#include "grit/app_resources.h"
+#include "grit/generated_resources.h"
+#include "grit/shared_resources.h"
+#include "grit/shared_resources_map.h"
+#include "grit/theme_resources.h"
+#include "net/base/mime_util.h"
+#include "ui/base/resource/resource_bundle.h"
+
+namespace {
+
+int PathToIDR(const std::string& path) {
+  int idr = -1;
+  if (path == "app/resources/folder_closed.png") {
+    idr = IDR_FOLDER_CLOSED;
+  } else if (path == "app/resources/folder_closed_rtl.png") {
+    idr = IDR_FOLDER_CLOSED_RTL;
+  } else if (path == "app/resources/folder_open.png") {
+    idr = IDR_FOLDER_OPEN;
+  } else if (path == "app/resources/folder_open_rtl.png") {
+    idr = IDR_FOLDER_OPEN_RTL;
+  } else if (path == "app/resources/throbber.png") {
+    idr = IDR_THROBBER;
+  } else {
+    // The name of the files in the grd list are prefixed with the following
+    // directory:
+    std::string key("shared/");
+    key += path;
+
+    for (size_t i = 0; i < kSharedResourcesSize; ++i) {
+      if (kSharedResources[i].name == key) {
+        idr = kSharedResources[i].value;
+        break;
+      }
+    }
+  }
+
+  return idr;
+}
+
+}  // namespace
+
+SharedResourcesDataSource::SharedResourcesDataSource()
+    : DataSource(chrome::kChromeUIResourcesHost, NULL) {
+}
+
+SharedResourcesDataSource::~SharedResourcesDataSource() {
+}
+
+void SharedResourcesDataSource::StartDataRequest(const std::string& path,
+                                                 bool is_off_the_record,
+                                                 int request_id) {
+  int idr = PathToIDR(path);
+  DCHECK_NE(-1, idr);
+  const ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  scoped_refptr<RefCountedStaticMemory> bytes(rb.LoadDataResourceBytes(idr));
+  SendResponse(request_id, bytes);
+}
+
+std::string SharedResourcesDataSource::GetMimeType(
+    const std::string& path) const {
+  // Requests should not block on the disk!  On Windows this goes to the
+  // registry.
+  //   http://code.google.com/p/chromium/issues/detail?id=59849
+  base::ThreadRestrictions::ScopedAllowIO allow_io;
+
+  std::string mime_type;
+  net::GetMimeTypeFromFile(FilePath().AppendASCII(path), &mime_type);
+  return mime_type;
+}