Start caching the theme color in web_contents

content/browser/web_contents/web_contents_android.h

 // 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 31 matching lines @@
   base::android::ScopedJavaLocalRef<jstring> GetTitle(JNIEnv* env,
                                                       jobject obj) const;
   base::android::ScopedJavaLocalRef<jstring> GetVisibleURL(JNIEnv* env,
                                                            jobject obj) const;
 
   bool IsLoading(JNIEnv* env, jobject obj) const;
   bool IsLoadingToDifferentDocument(JNIEnv* env, jobject obj) const;
 
   void Stop(JNIEnv* env, jobject obj);
   jint GetBackgroundColor(JNIEnv* env, jobject obj);
+  jint GetThemeColor(JNIEnv* env, jobject obj);
   base::android::ScopedJavaLocalRef<jstring> GetURL(JNIEnv* env, jobject) const;
   base::android::ScopedJavaLocalRef<jstring> GetLastCommittedURL(JNIEnv* env,
                                                                  jobject) const;
   jboolean IsIncognito(JNIEnv* env, jobject obj);
 
   void ResumeResponseDeferredAtStart(JNIEnv* env, jobject obj);
   void SetHasPendingNavigationTransitionForTesting(JNIEnv* env, jobject obj);
   void SetupTransitionView(JNIEnv* env, jobject jobj, jstring markup);
   void BeginExitTransition(JNIEnv* env, jobject jobj, jstring css_selector,
                            jboolean exit_to_native_app);
@@ skipping 59 matching lines @@
   base::android::ScopedJavaGlobalRef<jobject> obj_;
 
   base::WeakPtrFactory<WebContentsAndroid> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_