[Android WebView] Only send extra headers for the main page

android_webview/browser/aw_resource_context.cc

+// Copyright (c) 2013 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 "android_webview/browser/aw_resource_context.h"
+
+#include "content/public/browser/browser_thread.h"
+#include "net/url_request/url_request_context.h"
+#include "net/url_request/url_request_context_getter.h"
+
+namespace android_webview {
+
+AwResourceContext::AwResourceContext(net::URLRequestContextGetter* getter)
+    : getter_(getter) {
+  DCHECK(getter_);
+}
+
+AwResourceContext::~AwResourceContext() {
+}
+
+net::HostResolver* AwResourceContext::GetHostResolver() {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  return getter_->GetURLRequestContext()->host_resolver();
+}
+
+net::URLRequestContext* AwResourceContext::GetRequestContext() {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  return getter_->GetURLRequestContext();
+}
+
+bool AwResourceContext::AllowMicAccess(const GURL& origin) {
+  return false;
+}
+
+bool AwResourceContext::AllowCameraAccess(const GURL& origin) {
+  return false;
+}
+
+void AwResourceContext::SetExtraHeaders(const GURL& url, std::string& headers) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  if (!url.is_valid()) return;
+  base::AutoLock scoped_lock(lock_);
+  if (!headers.empty())
+    extra_headers_[url.spec()] = headers;
+  else
+    extra_headers_.erase(url.spec());
+}
+
+std::string AwResourceContext::GetExtraHeaders(const GURL& url) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  if (!url.is_valid()) return std::string();
+  base::AutoLock scoped_lock(lock_);
+  std::map<std::string, std::string>::iterator iter =
+      extra_headers_.find(url.spec());
+  return iter != extra_headers_.end() ? iter->second : std::string();
+}
+
+}  // namespace android_webview