Navigation transitions: Added "addStyleSheetByURL" function to insert stylesheet links.

content/browser/android/content_view_core_impl.cc

 // Copyright 2012 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 "content/browser/android/content_view_core_impl.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 19 matching lines @@
 #include "content/browser/renderer_host/input/web_input_event_builders_android.h"
 #include "content/browser/renderer_host/input/web_input_event_util.h"
 #include "content/browser/renderer_host/java/java_bound_object.h"
 #include "content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 #include "content/browser/screen_orientation/screen_orientation_dispatcher_host.h"
 #include "content/browser/ssl/ssl_host_state.h"
 #include "content/browser/web_contents/web_contents_view_android.h"
+#include "content/common/frame_messages.h"
 #include "content/common/input/web_input_event_traits.h"
 #include "content/common/input_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/favicon_status.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
@@ skipping 1145 matching lines @@
 void ContentViewCoreImpl::ContinuePendingReload(JNIEnv* env, jobject obj) {
   web_contents_->GetController().ContinuePendingReload();
 }
 
 void ContentViewCoreImpl::ClearHistory(JNIEnv* env, jobject obj) {
   // TODO(creis): Do callers of this need to know if it fails?
   if (web_contents_->GetController().CanPruneAllButLastCommitted())
     web_contents_->GetController().PruneAllButLastCommitted();
 }
 
+void ContentViewCoreImpl::AddStyleSheetByURL(
+    JNIEnv* env, jobject obj, jstring url) {
+  if (web_contents_)

[Sami, 2014/06/03 15:07:30]

Should use braces here since the body is a multi-line statement. Alternatively
you could just early out if !web_contents.

+    web_contents_->GetMainFrame()->Send(new FrameMsg_AddStyleSheetByURL(
+      web_contents_->GetMainFrame()->GetRoutingID(),

[bulach, 2014/06/03 10:51:56]

nit: indent +2 here and below since it's a continuation

+      ConvertJavaStringToUTF8(env, url)));
+}
+
 void ContentViewCoreImpl::SetAllowJavascriptInterfacesInspection(
     JNIEnv* env,
     jobject obj,
     jboolean allow) {
   java_bridge_dispatcher_host_manager_->SetAllowObjectContentsInspection(allow);
 }
 
 void ContentViewCoreImpl::AddJavascriptInterface(
     JNIEnv* env,
     jobject /* obj */,
@@ skipping 400 matching lines @@
       reinterpret_cast<ui::WindowAndroid*>(window_android),
       retained_objects_set);
   return reinterpret_cast<intptr_t>(view);
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content