Start caching the theme color in web_contents

content/browser/web_contents/web_contents_android.cc

 // Copyright 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 "content/browser/web_contents/web_contents_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
@@ skipping 147 matching lines @@
   return static_cast<RenderWidgetHostViewAndroid*>(rwhv);
 }
 
 jint WebContentsAndroid::GetBackgroundColor(JNIEnv* env, jobject obj) {
   RenderWidgetHostViewAndroid* rwhva = GetRenderWidgetHostViewAndroid();
   if (!rwhva)
     return SK_ColorWHITE;
   return rwhva->GetCachedBackgroundColor();
 }
 
+jint WebContentsAndroid::GetThemeColor(JNIEnv* env, jobject obj) {
+  RenderWidgetHostViewAndroid* rwhva = GetRenderWidgetHostViewAndroid();
+  if (!rwhva)
+    return SK_ColorWHITE;
+  return rwhva->GetThemeColor();
+}
+
 ScopedJavaLocalRef<jstring> WebContentsAndroid::GetURL(JNIEnv* env,
                                                        jobject obj) const {
   return ConvertUTF8ToJavaString(env, web_contents_->GetURL().spec());
 }
 
 ScopedJavaLocalRef<jstring> WebContentsAndroid::GetLastCommittedURL(
     JNIEnv* env,
     jobject) const {
   return ConvertUTF8ToJavaString(env,
                                  web_contents_->GetLastCommittedURL().spec());
@@ skipping 311 matching lines @@
 }
 
 jboolean WebContentsAndroid::HasAccessedInitialDocument(
     JNIEnv* env,
     jobject jobj) {
   return static_cast<content::WebContentsImpl*>(web_contents_)->
       HasAccessedInitialDocument();
 }
 
 }  // namespace content