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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Represents the browser side of the browser <--> renderer communication | 5 // Represents the browser side of the browser <--> renderer communication |
6 // channel. There will be one RenderProcessHost per renderer process. | 6 // channel. There will be one RenderProcessHost per renderer process. |
7 | 7 |
8 #include "content/browser/renderer_host/render_process_host_impl.h" | 8 #include "content/browser/renderer_host/render_process_host_impl.h" |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
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115 #include "content/browser/webui/web_ui_controller_factory_registry.h" | 115 #include "content/browser/webui/web_ui_controller_factory_registry.h" |
116 #include "content/common/child_process_host_impl.h" | 116 #include "content/common/child_process_host_impl.h" |
117 #include "content/common/child_process_messages.h" | 117 #include "content/common/child_process_messages.h" |
118 #include "content/common/content_switches_internal.h" | 118 #include "content/common/content_switches_internal.h" |
119 #include "content/common/frame_messages.h" | 119 #include "content/common/frame_messages.h" |
120 #include "content/common/gpu/gpu_messages.h" | 120 #include "content/common/gpu/gpu_messages.h" |
121 #include "content/common/in_process_child_thread_params.h" | 121 #include "content/common/in_process_child_thread_params.h" |
122 #include "content/common/mojo/channel_init.h" | 122 #include "content/common/mojo/channel_init.h" |
123 #include "content/common/mojo/mojo_messages.h" | 123 #include "content/common/mojo/mojo_messages.h" |
124 #include "content/common/resource_messages.h" | 124 #include "content/common/resource_messages.h" |
125 #include "content/common/site_isolation_policy.h" | |
125 #include "content/common/view_messages.h" | 126 #include "content/common/view_messages.h" |
126 #include "content/public/browser/browser_context.h" | 127 #include "content/public/browser/browser_context.h" |
127 #include "content/public/browser/content_browser_client.h" | 128 #include "content/public/browser/content_browser_client.h" |
128 #include "content/public/browser/navigator_connect_context.h" | 129 #include "content/public/browser/navigator_connect_context.h" |
129 #include "content/public/browser/notification_service.h" | 130 #include "content/public/browser/notification_service.h" |
130 #include "content/public/browser/notification_types.h" | 131 #include "content/public/browser/notification_types.h" |
131 #include "content/public/browser/render_process_host_factory.h" | 132 #include "content/public/browser/render_process_host_factory.h" |
132 #include "content/public/browser/render_process_host_observer.h" | 133 #include "content/public/browser/render_process_host_observer.h" |
133 #include "content/public/browser/render_widget_host.h" | 134 #include "content/public/browser/render_widget_host.h" |
134 #include "content/public/browser/render_widget_host_iterator.h" | 135 #include "content/public/browser/render_widget_host_iterator.h" |
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1883 | 1884 |
1884 // Do not allow sharing of guest hosts. This is to prevent bugs where guest | 1885 // Do not allow sharing of guest hosts. This is to prevent bugs where guest |
1885 // and non-guest storage gets mixed. In the future, we might consider enabling | 1886 // and non-guest storage gets mixed. In the future, we might consider enabling |
1886 // the sharing of guests, in this case this check should be removed and | 1887 // the sharing of guests, in this case this check should be removed and |
1887 // InSameStoragePartition should handle the possible sharing. | 1888 // InSameStoragePartition should handle the possible sharing. |
1888 if (host->IsForGuestsOnly()) | 1889 if (host->IsForGuestsOnly()) |
1889 return false; | 1890 return false; |
1890 | 1891 |
1891 // Check whether the given host and the intended site_url will be using the | 1892 // Check whether the given host and the intended site_url will be using the |
1892 // same StoragePartition, since a RenderProcessHost can only support a single | 1893 // same StoragePartition, since a RenderProcessHost can only support a single |
1893 // StoragePartition. This is relevant for packaged apps and isolated sites. | 1894 // StoragePartition. This is relevant for packaged apps. |
1894 StoragePartition* dest_partition = | 1895 StoragePartition* dest_partition = |
1895 BrowserContext::GetStoragePartitionForSite(browser_context, site_url); | 1896 BrowserContext::GetStoragePartitionForSite(browser_context, site_url); |
1896 if (!host->InSameStoragePartition(dest_partition)) | 1897 if (!host->InSameStoragePartition(dest_partition)) |
1897 return false; | 1898 return false; |
1898 | 1899 |
1900 // TODO(nick): Consult the SiteIsolationPolicy here. | |
1899 if (ChildProcessSecurityPolicyImpl::GetInstance()->HasWebUIBindings( | 1901 if (ChildProcessSecurityPolicyImpl::GetInstance()->HasWebUIBindings( |
1900 host->GetID()) != | 1902 host->GetID()) != |
1901 WebUIControllerFactoryRegistry::GetInstance()->UseWebUIBindingsForURL( | 1903 WebUIControllerFactoryRegistry::GetInstance()->UseWebUIBindingsForURL( |
1902 browser_context, site_url)) { | 1904 browser_context, site_url)) { |
1903 return false; | 1905 return false; |
1904 } | 1906 } |
1905 | 1907 |
1906 return GetContentClient()->browser()->IsSuitableHost(host, site_url); | 1908 return GetContentClient()->browser()->IsSuitableHost(host, site_url); |
1907 } | 1909 } |
1908 | 1910 |
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1940 // static | 1942 // static |
1941 RenderProcessHost* RenderProcessHost::FromID(int render_process_id) { | 1943 RenderProcessHost* RenderProcessHost::FromID(int render_process_id) { |
1942 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 1944 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
1943 return g_all_hosts.Get().Lookup(render_process_id); | 1945 return g_all_hosts.Get().Lookup(render_process_id); |
1944 } | 1946 } |
1945 | 1947 |
1946 // static | 1948 // static |
1947 bool RenderProcessHost::ShouldTryToUseExistingProcessHost( | 1949 bool RenderProcessHost::ShouldTryToUseExistingProcessHost( |
1948 BrowserContext* browser_context, const GURL& url) { | 1950 BrowserContext* browser_context, const GURL& url) { |
1949 // If --site-per-process is enabled, do not try to reuse renderer processes | 1951 // If --site-per-process is enabled, do not try to reuse renderer processes |
1950 // when over the limit. (We could allow pages from the same site to share, if | 1952 // when over the limit. |
1951 // we knew what the given process was dedicated to. Allowing no sharing is | 1953 // TODO(nick): This is overly conservative and isn't launchable. Move this |
Charlie Reis
2015/07/21 16:58:23
Can you file a bug for this so it doesn't fall bet
ncarter (slow)
2015/07/22 23:29:08
Done.
| |
1952 // simpler for now.) This may cause resource exhaustion issues if too many | 1954 // logic into IsSuitableHost, and check |url| against the URL the process is |
1953 // sites are open at once. | 1955 // dedicated to. This will allow pages from the same site to share, and will |
1954 const base::CommandLine& command_line = | 1956 // also allow non-isolated sites to share processes. |
1955 *base::CommandLine::ForCurrentProcess(); | 1957 if (SiteIsolationPolicy::AreCrossProcessFramesPossible()) |
1956 if (command_line.HasSwitch(switches::kSitePerProcess)) | |
1957 return false; | 1958 return false; |
1958 | 1959 |
1959 if (run_renderer_in_process()) | 1960 if (run_renderer_in_process()) |
1960 return true; | 1961 return true; |
1961 | 1962 |
1962 // NOTE: Sometimes it's necessary to create more render processes than | 1963 // NOTE: Sometimes it's necessary to create more render processes than |
1963 // GetMaxRendererProcessCount(), for instance when we want to create | 1964 // GetMaxRendererProcessCount(), for instance when we want to create |
1964 // a renderer process for a browser context that has no existing | 1965 // a renderer process for a browser context that has no existing |
1965 // renderers. This is OK in moderation, since the | 1966 // renderers. This is OK in moderation, since the |
1966 // GetMaxRendererProcessCount() is conservative. | 1967 // GetMaxRendererProcessCount() is conservative. |
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2510 void RenderProcessHostImpl::GetAudioOutputControllers( | 2511 void RenderProcessHostImpl::GetAudioOutputControllers( |
2511 const GetAudioOutputControllersCallback& callback) const { | 2512 const GetAudioOutputControllersCallback& callback) const { |
2512 audio_renderer_host()->GetOutputControllers(callback); | 2513 audio_renderer_host()->GetOutputControllers(callback); |
2513 } | 2514 } |
2514 | 2515 |
2515 BluetoothDispatcherHost* RenderProcessHostImpl::GetBluetoothDispatcherHost() { | 2516 BluetoothDispatcherHost* RenderProcessHostImpl::GetBluetoothDispatcherHost() { |
2516 return bluetooth_dispatcher_host_.get(); | 2517 return bluetooth_dispatcher_host_.get(); |
2517 } | 2518 } |
2518 | 2519 |
2519 } // namespace content | 2520 } // namespace content |
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