Define the public version of the browser side RenderProcessHost interface. This interface is not ...

content/browser/renderer_host/render_process_host.cc

Index: content/browser/renderer_host/render_process_host.cc
===================================================================
--- content/browser/renderer_host/render_process_host.cc	(revision 110303)
+++ content/browser/renderer_host/render_process_host.cc	(working copy)
@@ -1,251 +0,0 @@
-// Copyright (c) 2011 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/renderer_host/render_process_host.h"
-
-#include "base/command_line.h"
-#include "base/lazy_instance.h"
-#include "base/rand_util.h"
-#include "base/sys_info.h"
-#include "content/browser/browser_main.h"
-#include "content/browser/child_process_security_policy.h"
-#include "content/browser/webui/web_ui_factory.h"
-#include "content/common/child_process_info.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/content_browser_client.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_types.h"
-#include "content/public/common/content_constants.h"
-#include "content/public/common/content_switches.h"
-
-using content::BrowserThread;
-
-namespace {
-
-size_t max_renderer_count_override = 0;
-
-size_t GetMaxRendererProcessCount() {
-  if (max_renderer_count_override)
-    return max_renderer_count_override;
-
-  // Defines the maximum number of renderer processes according to the
-  // amount of installed memory as reported by the OS. The table
-  // values are calculated by assuming that you want the renderers to
-  // use half of the installed ram and assuming that each tab uses
-  // ~40MB, however the curve is not linear but piecewise linear with
-  // interleaved slopes of 3 and 2.
-  // If you modify this table you need to adjust browser\browser_uitest.cc
-  // to match the expected number of processes.
-
-  static const size_t kMaxRenderersByRamTier[] = {
-    3,                        // less than 256MB
-    6,                        //  256MB
-    9,                        //  512MB
-    12,                       //  768MB
-    14,                       // 1024MB
-    18,                       // 1280MB
-    20,                       // 1536MB
-    22,                       // 1792MB
-    24,                       // 2048MB
-    26,                       // 2304MB
-    29,                       // 2560MB
-    32,                       // 2816MB
-    35,                       // 3072MB
-    38,                       // 3328MB
-    40                        // 3584MB
-  };
-
-  static size_t max_count = 0;
-  if (!max_count) {
-    size_t memory_tier = base::SysInfo::AmountOfPhysicalMemoryMB() / 256;
-    if (memory_tier >= arraysize(kMaxRenderersByRamTier))
-      max_count = content::kMaxRendererProcessCount;
-    else
-      max_count = kMaxRenderersByRamTier[memory_tier];
-  }
-  return max_count;
-}
-
-// Returns true if the given host is suitable for launching a new view
-// associated with the given browser context.
-static bool IsSuitableHost(RenderProcessHost* host,
-                           content::BrowserContext* browser_context,
-                           const GURL& site_url) {
-  if (host->browser_context() != browser_context)
-    return false;
-
-  if (ChildProcessSecurityPolicy::GetInstance()->HasWebUIBindings(host->id()) !=
-      content::WebUIFactory::Get()->HasWebUIScheme(site_url))
-    return false;
-
-  return content::GetContentClient()->browser()->IsSuitableHost(host, site_url);
-}
-
-// the global list of all renderer processes
-base::LazyInstance<IDMap<RenderProcessHost>,
-                   base::LeakyLazyInstanceTraits<IDMap<RenderProcessHost> > >
-    g_all_hosts = LAZY_INSTANCE_INITIALIZER;
-
-}  // namespace
-
-// static
-bool RenderProcessHost::run_renderer_in_process_ = false;
-
-// static
-void RenderProcessHost::SetMaxRendererProcessCountForTest(size_t count) {
-  max_renderer_count_override = count;
-}
-
-RenderProcessHost::RenderProcessHost(content::BrowserContext* browser_context)
-    : max_page_id_(-1),
-      fast_shutdown_started_(false),
-      deleting_soon_(false),
-      pending_views_(0),
-      id_(ChildProcessInfo::GenerateChildProcessUniqueId()),
-      browser_context_(browser_context),
-      sudden_termination_allowed_(true),
-      ignore_input_events_(false) {
-  CHECK(!content::ExitedMainMessageLoop());
-  g_all_hosts.Get().AddWithID(this, id());
-  g_all_hosts.Get().set_check_on_null_data(true);
-  // Initialize |child_process_activity_time_| to a reasonable value.
-  mark_child_process_activity_time();
-}
-
-RenderProcessHost::~RenderProcessHost() {
-  // In unit tests, Release() might not have been called.
-  if (g_all_hosts.Get().Lookup(id()))
-    g_all_hosts.Get().Remove(id());
-}
-
-bool RenderProcessHost::HasConnection() const {
-  return channel_.get() != NULL;
-}
-
-void RenderProcessHost::Attach(IPC::Channel::Listener* listener,
-                               int routing_id) {
-  listeners_.AddWithID(listener, routing_id);
-}
-
-void RenderProcessHost::Release(int listener_id) {
-  DCHECK(listeners_.Lookup(listener_id) != NULL);
-  listeners_.Remove(listener_id);
-
-  // Make sure that all associated resource requests are stopped.
-  CancelResourceRequests(listener_id);
-
-#if defined(OS_WIN)
-  // Dump the handle table if handle auditing is enabled.
-  const CommandLine& browser_command_line =
-      *CommandLine::ForCurrentProcess();
-  if (browser_command_line.HasSwitch(switches::kAuditHandles) ||
-      browser_command_line.HasSwitch(switches::kAuditAllHandles)) {
-    DumpHandles();
-
-    // We wait to close the channels until the child process has finished
-    // dumping handles and sends us ChildProcessHostMsg_DumpHandlesDone.
-    return;
-  }
-#endif
-  Cleanup();
-}
-
-void RenderProcessHost::Cleanup() {
-  // When no other owners of this object, we can delete ourselves
-  if (listeners_.IsEmpty()) {
-    content::NotificationService::current()->Notify(
-        content::NOTIFICATION_RENDERER_PROCESS_TERMINATED,
-        content::Source<RenderProcessHost>(this),
-        content::NotificationService::NoDetails());
-    MessageLoop::current()->DeleteSoon(FROM_HERE, this);
-    deleting_soon_ = true;
-    // It's important not to wait for the DeleteTask to delete the channel
-    // proxy. Kill it off now. That way, in case the profile is going away, the
-    // rest of the objects attached to this RenderProcessHost start going
-    // away first, since deleting the channel proxy will post a
-    // OnChannelClosed() to IPC::ChannelProxy::Context on the IO thread.
-    channel_.reset();
-
-    // Remove ourself from the list of renderer processes so that we can't be
-    // reused in between now and when the Delete task runs.
-    g_all_hosts.Get().Remove(id());
-  }
-}
-
-void RenderProcessHost::ReportExpectingClose(int32 listener_id) {
-  listeners_expecting_close_.insert(listener_id);
-}
-
-void RenderProcessHost::AddPendingView() {
-  pending_views_++;
-}
-
-void RenderProcessHost::RemovePendingView() {
-  DCHECK(pending_views_);
-  pending_views_--;
-}
-
-void RenderProcessHost::UpdateMaxPageID(int32 page_id) {
-  if (page_id > max_page_id_)
-    max_page_id_ = page_id;
-}
-
-bool RenderProcessHost::FastShutdownForPageCount(size_t count) {
-  if (listeners_.size() == count)
-    return FastShutdownIfPossible();
-  return false;
-}
-
-// static
-RenderProcessHost::iterator RenderProcessHost::AllHostsIterator() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  return iterator(g_all_hosts.Pointer());
-}
-
-// static
-RenderProcessHost* RenderProcessHost::FromID(int render_process_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  return g_all_hosts.Get().Lookup(render_process_id);
-}
-
-// static
-bool RenderProcessHost::ShouldTryToUseExistingProcessHost() {
-  size_t renderer_process_count = g_all_hosts.Get().size();
-
-  // NOTE: Sometimes it's necessary to create more render processes than
-  //       GetMaxRendererProcessCount(), for instance when we want to create
-  //       a renderer process for a browser context that has no existing
-  //       renderers. This is OK in moderation, since the
-  //       GetMaxRendererProcessCount() is conservative.
-
-  return run_renderer_in_process() ||
-         (renderer_process_count >= GetMaxRendererProcessCount());
-}
-
-// static
-RenderProcessHost* RenderProcessHost::GetExistingProcessHost(
-    content::BrowserContext* browser_context,
-    const GURL& site_url) {
-  // First figure out which existing renderers we can use.
-  std::vector<RenderProcessHost*> suitable_renderers;
-  suitable_renderers.reserve(g_all_hosts.Get().size());
-
-  iterator iter(AllHostsIterator());
-  while (!iter.IsAtEnd()) {
-    if (run_renderer_in_process() ||
-        IsSuitableHost(iter.GetCurrentValue(), browser_context, site_url))
-      suitable_renderers.push_back(iter.GetCurrentValue());
-
-    iter.Advance();
-  }
-
-  // Now pick a random suitable renderer, if we have any.
-  if (!suitable_renderers.empty()) {
-    int suitable_count = static_cast<int>(suitable_renderers.size());
-    int random_index = base::RandInt(0, suitable_count - 1);
-    return suitable_renderers[random_index];
-  }
-
-  return NULL;
-}