Move GetDocument method from WebFrame to WebLocalFrame.

chrome/renderer/chrome_render_frame_observer.cc

Index: chrome/renderer/chrome_render_frame_observer.cc
diff --git a/chrome/renderer/chrome_render_frame_observer.cc b/chrome/renderer/chrome_render_frame_observer.cc
index 08ca11e128025445d355c026ae12b3265e4af132..7b13a729d2054f82d74661c2571f1bcb84d10db1 100644
--- a/chrome/renderer/chrome_render_frame_observer.cc
+++ b/chrome/renderer/chrome_render_frame_observer.cc
@@ -16,6 +16,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
+#include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_isolated_world_ids.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/crash_keys.h"
@@ -24,6 +25,7 @@
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/prerender/prerender_helper.h"
 #include "chrome/renderer/safe_browsing/phishing_classifier_delegate.h"
+#include "chrome/renderer/web_apps.h"
 #include "components/translate/content/renderer/translate_helper.h"
 #include "content/public/common/associated_interface_provider.h"
 #include "content/public/renderer/render_frame.h"
@@ -149,6 +151,8 @@ bool ChromeRenderFrameObserver::OnMessageReceived(const IPC::Message& message) {
     return false;
 
   IPC_BEGIN_MESSAGE_MAP(ChromeRenderFrameObserver, message)
+    IPC_MESSAGE_HANDLER(ChromeFrameMsg_GetWebApplicationInfo,
+                        OnGetWebApplicationInfo)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetClientSidePhishingDetection,
                         OnSetClientSidePhishingDetection)
 #if BUILDFLAG(ENABLE_PRINTING)
@@ -231,6 +235,47 @@ void ChromeRenderFrameObserver::OnPrintNodeUnderContextMenu() {
 #endif
 }
 
+void ChromeRenderFrameObserver::OnGetWebApplicationInfo() {
+  WebLocalFrame* frame = render_frame()->GetWebFrame();
+
+  WebApplicationInfo web_app_info;
+  web_apps::ParseWebAppFromWebDocument(frame, &web_app_info);
+
+  // The warning below is specific to mobile but it doesn't hurt to show it even
+  // if the Chromium build is running on a desktop. It will get more exposition.
+  if (web_app_info.mobile_capable == WebApplicationInfo::MOBILE_CAPABLE_APPLE) {
+    blink::WebConsoleMessage message(
+        blink::WebConsoleMessage::kLevelWarning,
+        "<meta name=\"apple-mobile-web-app-capable\" content=\"yes\"> is "
+        "deprecated. Please include <meta name=\"mobile-web-app-capable\" "
+        "content=\"yes\"> - "
+        "http://developers.google.com/chrome/mobile/docs/installtohomescreen");
+    frame->AddMessageToConsole(message);
+  }
+
+  // Prune out any data URLs in the set of icons.  The browser process expects
+  // any icon with a data URL to have originated from a favicon.  We don't want
+  // to decode arbitrary data URLs in the browser process.  See
+  // http://b/issue?id=1162972
+  for (std::vector<WebApplicationInfo::IconInfo>::iterator it =
+           web_app_info.icons.begin();
+       it != web_app_info.icons.end();) {
+    if (it->url.SchemeIs(url::kDataScheme))
+      it = web_app_info.icons.erase(it);
+    else
+      ++it;
+  }
+
+  // Truncate the strings we send to the browser process.
+  web_app_info.title =
+      web_app_info.title.substr(0, chrome::kMaxMetaTagAttributeLength);
+  web_app_info.description =
+      web_app_info.description.substr(0, chrome::kMaxMetaTagAttributeLength);
+
+  Send(new ChromeFrameHostMsg_DidGetWebApplicationInfo(routing_id(),
+                                                       web_app_info));
+}
+
 void ChromeRenderFrameObserver::OnSetClientSidePhishingDetection(
     bool enable_phishing_detection) {
 #if defined(SAFE_BROWSING_CSD)