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

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 2ef62bec3df0142e13e38f818bb89893184867ed..78835ffbd6746db6ec0959ea2fa04f0522df061f 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -37,6 +37,7 @@
 #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"
@@ -1202,6 +1203,14 @@ void ContentViewCoreImpl::ClearHistory(JNIEnv* env, jobject obj) {
     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,