Introduce v8-cache-strategies-for-cache-storage setting flags.

content/renderer/render_view_impl.cc

 // Copyright (c) 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/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 582 matching lines @@
       ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
   for (const std::string& setting : blink_settings) {
     size_t pos = setting.find('=');
     settings->setFromStrings(
         blink::WebString::fromLatin1(setting.substr(0, pos)),
         blink::WebString::fromLatin1(
             pos == std::string::npos ? "" : setting.substr(pos + 1)));
   }
 }
 
+WebSettings::V8CacheStrategiesForCacheStorage
+GetV8CacheStrategiesForCacheStorage() {
+  const base::CommandLine& command_line =
+      *base::CommandLine::ForCurrentProcess();
+  std::string v8_cache_strategies = command_line.GetSwitchValueASCII(
+      switches::kV8CacheStrategiesForCacheStorage);
+  if (v8_cache_strategies.empty())
+    v8_cache_strategies =
+        base::FieldTrialList::FindFullName("V8CacheStrategiesForCacheStorage");
+  if (v8_cache_strategies == "none") {
+    return WebSettings::V8CacheStrategiesForCacheStorage::None;
+  } else if (v8_cache_strategies == "normal") {
+    return WebSettings::V8CacheStrategiesForCacheStorage::Normal;
+  } else if (v8_cache_strategies == "aggressive") {
+    return WebSettings::V8CacheStrategiesForCacheStorage::Aggressive;
+  } else {
+    return WebSettings::V8CacheStrategiesForCacheStorage::Default;
+  }
+}
+
 }  // namespace
 
 RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps,
                                const ViewMsg_New_Params& params)
     : RenderWidget(compositor_deps,
                    blink::WebPopupTypeNone,
                    params.initial_size.screen_info,
                    params.swapped_out,
                    params.hidden,
                    params.never_visible),
@@ skipping 418 matching lines @@
 
   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
 
   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
 
   settings->setSelectionIncludesAltImageText(true);
 
   settings->setV8CacheOptions(
       static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
 
+  settings->setV8CacheStrategiesForCacheStorage(
+      GetV8CacheStrategiesForCacheStorage());
+
   settings->setImageAnimationPolicy(
       static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
 
   settings->setPresentationRequiresUserGesture(
       prefs.user_gesture_required_for_presentation);
 
   settings->setTextTrackMarginPercentage(prefs.text_track_margin_percentage);
 
   // Needs to happen before setIgnoreVIewportTagScaleLimits below.
   web_view->setDefaultPageScaleLimits(
@@ skipping 2373 matching lines @@
   if (IsUseZoomForDSFEnabled()) {
     webview()->setZoomFactorForDeviceScaleFactor(device_scale_factor_);
   } else {
     webview()->setDeviceScaleFactor(device_scale_factor_);
   }
   webview()->settings()->setPreferCompositingToLCDTextEnabled(
       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 }
 
 }  // namespace content